"optional" meaning in English

See optional in All languages combined, or Wiktionary

Adjective

IPA: /ˈɒp.ʃə.nəl/ [Received-Pronunciation], /ˈɑp.ʃə.nəl/ [General-American] Audio: LL-Q1860 (eng)-Vealhurl-optional.wav [Southern-England]
Etymology: option + -al Etymology templates: {{suffix|en|option|al}} option + -al Head templates: {{en-adj|-}} optional (not comparable)
  1. Not compulsory; left to personal choice; elective. Tags: not-comparable Derived forms: clothing optional Related terms: option, optionality, optionally, acquiescent Translations (not compulsory): opsioneel (Afrikaans), اِخْتِيَارِيّ (iḵtiyāriyy) (Arabic), կամընտիր (kaməntir) (Armenian), ոչ պարտադիր (očʻ partadir) (Armenian), неабавязко́вы (njeabavjazkóvy) (Belarusian), факультаты́ўны (fakulʹtatýŭny) (Belarusian), апцыяна́льны (apcyjanálʹny) (Belarusian), ঐচ্ছিক (ōicchik) (Bengali), নফল (nophol) (Bengali), незадължителен (nezadǎlžitelen) (Bulgarian), по избор (po izbor) (Bulgarian), opcional (Catalan), volitelný [masculine] (Czech), valgfri (Danish), frivillig (Danish), optioneel (Dutch), valinnainen (Finnish), optionnel (French), facultatif (French), ნებაყოფლობითი (nebaq̇oplobiti) (Georgian), არასავალდებულო (arasavaldebulo) (Georgian), ფაკულტატიური (paḳulṭaṭiuri) (Georgian), ფაკულტატური (paḳulṭaṭuri) (Georgian), დისკრეციული (disḳreciuli) (Georgian), დისპოზიტიური (disṗoziṭiuri) (Georgian), freiwillig (German), optional (German), wahlfrei (German), fakultativ (German), freigestellt (German), wahlweise (German), nicht zwingend vorgeschrieben (German), nicht zwingend erforderlich (German), προαιρετικός (proairetikós) [masculine] (Greek), κατ' εκλογήν (kat' eklogín) (Greek), वैकल्पिक (vaikalpik) (Hindi), választható (Hungarian), fakultatív (Hungarian), tetszőleges (Hungarian), elhagyható (Hungarian), opcionális (Hungarian), valfrjáls (Icelandic), facoltativo (Italian), volontario (Italian), opzionale (Italian), facultativus (Latin), valgfri (Norwegian Bokmål), frivillig (Norwegian Bokmål), fakultativ (Norwegian Bokmål), valfri (Norwegian Nynorsk), friviljug (Norwegian Nynorsk), frivillig (Norwegian Nynorsk), fakultativ (Norwegian Nynorsk), اختیاری (extiyâri) (Persian), opcjonalny (Polish), fakultatywny (Polish), opcional (Portuguese), facultativo (Portuguese), необяза́тельный (neobjazátelʹnyj) (Russian), факультати́вный (fakulʹtatívnyj) (note: e.g. subject) (Russian), опциона́льный (opcionálʹnyj) (Russian), изборно [Cyrillic, neuter] (Serbo-Croatian), изборан [Cyrillic, masculine] (Serbo-Croatian), изборна [Cyrillic, feminine] (Serbo-Croatian), izborno [Roman, neuter] (Serbo-Croatian), izboran [Roman, masculine] (Serbo-Croatian), izborna [Roman, feminine] (Serbo-Croatian), opcional (Spanish), valfri [common-gender] (Swedish), valfritt [neuter] (Swedish), frivillig [common-gender] (Swedish), frivilligt [neuter] (Swedish), fakultativ [common-gender] (Swedish), fakultativt [neuter] (Swedish), volontär (Swedish), ኣማራጽያዊ (ʾamaraṣyawi) (Tigrinya), ihtiyari (Turkish), isteğe bağlı (Turkish), istemli (Turkish), opsiyonel (Turkish), opsiyonlu (Turkish), необов'язко́вий (neobovʺjazkóvyj) (Ukrainian), факультати́вний (fakulʹtatývnyj) (Ukrainian), опціона́льний (opcionálʹnyj) (Ukrainian), ברירהדיק (breyredik) (Yiddish)

Noun

IPA: /ˈɒp.ʃə.nəl/ [Received-Pronunciation], /ˈɑp.ʃə.nəl/ [General-American] Audio: LL-Q1860 (eng)-Vealhurl-optional.wav [Southern-England] Forms: optionals [plural]
Etymology: option + -al Etymology templates: {{suffix|en|option|al}} option + -al Head templates: {{en-noun}} optional (plural optionals)
  1. Something that is not compulsory, especially part of an academic course.
    Sense id: en-optional-en-noun-7ON2w01s
  2. (programming, sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value. Tags: capitalized, sometimes Categories (topical): Programming
    Sense id: en-optional-en-noun-QZ8aHlm3 Categories (other): English entries with incorrect language header, English terms suffixed with -al Disambiguation of English entries with incorrect language header: 28 2 70 Disambiguation of English terms suffixed with -al: 32 8 60 Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

Inflected forms

Download JSON data for optional meaning in English (14.7kB)

{
  "antonyms": [
    {
      "word": "non-optional"
    },
    {
      "word": "nonoptional"
    },
    {
      "source": "Thesaurus:optional",
      "word": "compulsory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "mandatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "obligate"
    },
    {
      "source": "Thesaurus:optional",
      "word": "obligatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "required"
    },
    {
      "source": "Thesaurus:optional",
      "word": "requisite"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nl",
            "2": "optioneel",
            "bor": "1"
          },
          "expansion": "→ Dutch: optioneel",
          "name": "desc"
        }
      ],
      "text": "→ Dutch: optioneel"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "id",
            "2": "opsional",
            "bor": "1"
          },
          "expansion": "→ Indonesian: opsional",
          "name": "desc"
        }
      ],
      "text": "→ Indonesian: opsional"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "option",
        "3": "al"
      },
      "expansion": "option + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "option + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "optional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "compulsory"
        },
        {
          "word": "mandatory"
        },
        {
          "word": "obligatory"
        },
        {
          "word": "compulsory"
        }
      ],
      "categories": [],
      "derived": [
        {
          "word": "clothing optional"
        }
      ],
      "examples": [
        {
          "text": "On that beach clothing is entirely optional.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not compulsory; left to personal choice; elective."
      ],
      "id": "en-optional-en-adj-GDAuUpgy",
      "links": [
        [
          "compulsory",
          "compulsory"
        ],
        [
          "personal",
          "personal"
        ],
        [
          "choice",
          "choice"
        ],
        [
          "elective",
          "elective"
        ]
      ],
      "related": [
        {
          "word": "option"
        },
        {
          "word": "optionality"
        },
        {
          "word": "optionally"
        },
        {
          "source": "Thesaurus:optional",
          "word": "acquiescent"
        }
      ],
      "synonyms": [
        {
          "word": "facultative"
        },
        {
          "word": "optional"
        },
        {
          "source": "Thesaurus:optional",
          "word": "discretionary"
        },
        {
          "source": "Thesaurus:optional",
          "word": "elective"
        },
        {
          "source": "Thesaurus:optional",
          "word": "facultative"
        },
        {
          "source": "Thesaurus:optional",
          "word": "free"
        },
        {
          "source": "Thesaurus:optional",
          "word": "noncompulsory"
        },
        {
          "source": "Thesaurus:optional",
          "word": "nonmandatory"
        },
        {
          "source": "Thesaurus:optional",
          "word": "nonobligate"
        },
        {
          "source": "Thesaurus:optional",
          "word": "nonobligatory"
        },
        {
          "source": "Thesaurus:optional",
          "word": "nonrequired"
        },
        {
          "source": "Thesaurus:optional",
          "word": "nonrequisite"
        },
        {
          "source": "Thesaurus:optional",
          "word": "optional"
        },
        {
          "source": "Thesaurus:optional",
          "word": "optionary"
        },
        {
          "source": "Thesaurus:optional",
          "word": "unrequired"
        },
        {
          "source": "Thesaurus:optional",
          "word": "volitional"
        },
        {
          "source": "Thesaurus:optional",
          "word": "voluntary"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "af",
          "lang": "Afrikaans",
          "sense": "not compulsory",
          "word": "opsioneel"
        },
        {
          "code": "ar",
          "lang": "Arabic",
          "roman": "iḵtiyāriyy",
          "sense": "not compulsory",
          "word": "اِخْتِيَارِيّ"
        },
        {
          "code": "hy",
          "lang": "Armenian",
          "roman": "kaməntir",
          "sense": "not compulsory",
          "word": "կամընտիր"
        },
        {
          "code": "hy",
          "lang": "Armenian",
          "roman": "očʻ partadir",
          "sense": "not compulsory",
          "word": "ոչ պարտադիր"
        },
        {
          "code": "be",
          "lang": "Belarusian",
          "roman": "njeabavjazkóvy",
          "sense": "not compulsory",
          "word": "неабавязко́вы"
        },
        {
          "code": "be",
          "lang": "Belarusian",
          "roman": "fakulʹtatýŭny",
          "sense": "not compulsory",
          "word": "факультаты́ўны"
        },
        {
          "code": "be",
          "lang": "Belarusian",
          "roman": "apcyjanálʹny",
          "sense": "not compulsory",
          "word": "апцыяна́льны"
        },
        {
          "code": "bn",
          "lang": "Bengali",
          "roman": "ōicchik",
          "sense": "not compulsory",
          "word": "ঐচ্ছিক"
        },
        {
          "code": "bn",
          "lang": "Bengali",
          "roman": "nophol",
          "sense": "not compulsory",
          "word": "নফল"
        },
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "nezadǎlžitelen",
          "sense": "not compulsory",
          "word": "незадължителен"
        },
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "po izbor",
          "sense": "not compulsory",
          "word": "по избор"
        },
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "not compulsory",
          "word": "opcional"
        },
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "not compulsory",
          "tags": [
            "masculine"
          ],
          "word": "volitelný"
        },
        {
          "code": "da",
          "lang": "Danish",
          "sense": "not compulsory",
          "word": "valgfri"
        },
        {
          "code": "da",
          "lang": "Danish",
          "sense": "not compulsory",
          "word": "frivillig"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "not compulsory",
          "word": "optioneel"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "not compulsory",
          "word": "valinnainen"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "not compulsory",
          "word": "optionnel"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "not compulsory",
          "word": "facultatif"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "nebaq̇oplobiti",
          "sense": "not compulsory",
          "word": "ნებაყოფლობითი"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "arasavaldebulo",
          "sense": "not compulsory",
          "word": "არასავალდებულო"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "paḳulṭaṭiuri",
          "sense": "not compulsory",
          "word": "ფაკულტატიური"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "paḳulṭaṭuri",
          "sense": "not compulsory",
          "word": "ფაკულტატური"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "disḳreciuli",
          "sense": "not compulsory",
          "word": "დისკრეციული"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "roman": "disṗoziṭiuri",
          "sense": "not compulsory",
          "word": "დისპოზიტიური"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "freiwillig"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "optional"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "wahlfrei"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "fakultativ"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "freigestellt"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "wahlweise"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "nicht zwingend vorgeschrieben"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "not compulsory",
          "word": "nicht zwingend erforderlich"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "proairetikós",
          "sense": "not compulsory",
          "tags": [
            "masculine"
          ],
          "word": "προαιρετικός"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "kat' eklogín",
          "sense": "not compulsory",
          "word": "κατ' εκλογήν"
        },
        {
          "code": "hi",
          "lang": "Hindi",
          "roman": "vaikalpik",
          "sense": "not compulsory",
          "word": "वैकल्पिक"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "not compulsory",
          "word": "választható"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "not compulsory",
          "word": "fakultatív"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "not compulsory",
          "word": "tetszőleges"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "not compulsory",
          "word": "elhagyható"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "not compulsory",
          "word": "opcionális"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "not compulsory",
          "word": "valfrjáls"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "not compulsory",
          "word": "facoltativo"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "not compulsory",
          "word": "volontario"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "not compulsory",
          "word": "opzionale"
        },
        {
          "code": "la",
          "lang": "Latin",
          "sense": "not compulsory",
          "word": "facultativus"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "not compulsory",
          "word": "valgfri"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "not compulsory",
          "word": "frivillig"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "not compulsory",
          "word": "fakultativ"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "not compulsory",
          "word": "valfri"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "not compulsory",
          "word": "friviljug"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "not compulsory",
          "word": "frivillig"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "not compulsory",
          "word": "fakultativ"
        },
        {
          "code": "fa",
          "lang": "Persian",
          "roman": "extiyâri",
          "sense": "not compulsory",
          "word": "اختیاری"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "not compulsory",
          "word": "opcjonalny"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "not compulsory",
          "word": "fakultatywny"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "not compulsory",
          "word": "opcional"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "not compulsory",
          "word": "facultativo"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "neobjazátelʹnyj",
          "sense": "not compulsory",
          "word": "необяза́тельный"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "note": "e.g. subject",
          "roman": "fakulʹtatívnyj",
          "sense": "not compulsory",
          "word": "факультати́вный"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "opcionálʹnyj",
          "sense": "not compulsory",
          "word": "опциона́льный"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Cyrillic",
            "neuter"
          ],
          "word": "изборно"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Cyrillic",
            "masculine"
          ],
          "word": "изборан"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Cyrillic",
            "feminine"
          ],
          "word": "изборна"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Roman",
            "neuter"
          ],
          "word": "izborno"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Roman",
            "masculine"
          ],
          "word": "izboran"
        },
        {
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "not compulsory",
          "tags": [
            "Roman",
            "feminine"
          ],
          "word": "izborna"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "not compulsory",
          "word": "opcional"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "common-gender"
          ],
          "word": "valfri"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "neuter"
          ],
          "word": "valfritt"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "common-gender"
          ],
          "word": "frivillig"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "neuter"
          ],
          "word": "frivilligt"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "common-gender"
          ],
          "word": "fakultativ"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "tags": [
            "neuter"
          ],
          "word": "fakultativt"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "not compulsory",
          "word": "volontär"
        },
        {
          "code": "ti",
          "lang": "Tigrinya",
          "roman": "ʾamaraṣyawi",
          "sense": "not compulsory",
          "word": "ኣማራጽያዊ"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "not compulsory",
          "word": "ihtiyari"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "not compulsory",
          "word": "isteğe bağlı"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "not compulsory",
          "word": "istemli"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "not compulsory",
          "word": "opsiyonel"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "not compulsory",
          "word": "opsiyonlu"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "neobovʺjazkóvyj",
          "sense": "not compulsory",
          "word": "необов'язко́вий"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "fakulʹtatývnyj",
          "sense": "not compulsory",
          "word": "факультати́вний"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "opcionálʹnyj",
          "sense": "not compulsory",
          "word": "опціона́льний"
        },
        {
          "code": "yi",
          "lang": "Yiddish",
          "roman": "breyredik",
          "sense": "not compulsory",
          "word": "ברירהדיק"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒp.ʃə.nəl/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈɑp.ʃə.nəl/",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-optional.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.ogg",
      "tags": [
        "Southern-England"
      ],
      "text": "Audio (Southern England)"
    }
  ],
  "word": "optional"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "option",
        "3": "al"
      },
      "expansion": "option + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "option + -al",
  "forms": [
    {
      "form": "optionals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "optional (plural optionals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Something that is not compulsory, especially part of an academic course."
      ],
      "id": "en-optional-en-noun-7ON2w01s",
      "links": [
        [
          "academic",
          "academic"
        ],
        [
          "course",
          "course"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        },
        {
          "_dis": "28 2 70",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "32 8 60",
          "kind": "other",
          "name": "English terms suffixed with -al",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2015, Richard M Reese, Learning Java Functional Programming, Packt Publishing Ltd, page 147",
          "text": "In functional languages, there is a data type called the option type, also called the maybe type. Its purpose is to encapsulate a value, which is returned from a function. […] In Java 8, the Optional class has been added to serve as an option type.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value."
      ],
      "id": "en-optional-en-noun-QZ8aHlm3",
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "capitalized",
          "capitalisation"
        ],
        [
          "programming language",
          "programming language"
        ],
        [
          "variable",
          "variable"
        ],
        [
          "data type",
          "data type"
        ],
        [
          "value",
          "value"
        ]
      ],
      "raw_glosses": [
        "(programming, sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value."
      ],
      "tags": [
        "capitalized",
        "sometimes"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒp.ʃə.nəl/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈɑp.ʃə.nəl/",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-optional.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.ogg",
      "tags": [
        "Southern-England"
      ],
      "text": "Audio (Southern England)"
    }
  ],
  "word": "optional"
}
{
  "antonyms": [
    {
      "word": "non-optional"
    },
    {
      "word": "nonoptional"
    },
    {
      "source": "Thesaurus:optional",
      "word": "compulsory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "mandatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "obligate"
    },
    {
      "source": "Thesaurus:optional",
      "word": "obligatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "required"
    },
    {
      "source": "Thesaurus:optional",
      "word": "requisite"
    }
  ],
  "categories": [
    "English 3-syllable words",
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -al",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English uncomparable adjectives",
    "Requests for review of Italian translations"
  ],
  "derived": [
    {
      "word": "clothing optional"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nl",
            "2": "optioneel",
            "bor": "1"
          },
          "expansion": "→ Dutch: optioneel",
          "name": "desc"
        }
      ],
      "text": "→ Dutch: optioneel"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "id",
            "2": "opsional",
            "bor": "1"
          },
          "expansion": "→ Indonesian: opsional",
          "name": "desc"
        }
      ],
      "text": "→ Indonesian: opsional"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "option",
        "3": "al"
      },
      "expansion": "option + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "option + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "optional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "option"
    },
    {
      "word": "optionality"
    },
    {
      "word": "optionally"
    },
    {
      "source": "Thesaurus:optional",
      "word": "acquiescent"
    }
  ],
  "senses": [
    {
      "antonyms": [
        {
          "word": "compulsory"
        },
        {
          "word": "mandatory"
        },
        {
          "word": "obligatory"
        },
        {
          "word": "compulsory"
        }
      ],
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "On that beach clothing is entirely optional.",
          "type": "example"
        }
      ],
      "glosses": [
        "Not compulsory; left to personal choice; elective."
      ],
      "links": [
        [
          "compulsory",
          "compulsory"
        ],
        [
          "personal",
          "personal"
        ],
        [
          "choice",
          "choice"
        ],
        [
          "elective",
          "elective"
        ]
      ],
      "synonyms": [
        {
          "word": "facultative"
        },
        {
          "word": "optional"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒp.ʃə.nəl/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈɑp.ʃə.nəl/",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-optional.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.ogg",
      "tags": [
        "Southern-England"
      ],
      "text": "Audio (Southern England)"
    }
  ],
  "synonyms": [
    {
      "source": "Thesaurus:optional",
      "word": "discretionary"
    },
    {
      "source": "Thesaurus:optional",
      "word": "elective"
    },
    {
      "source": "Thesaurus:optional",
      "word": "facultative"
    },
    {
      "source": "Thesaurus:optional",
      "word": "free"
    },
    {
      "source": "Thesaurus:optional",
      "word": "noncompulsory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "nonmandatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "nonobligate"
    },
    {
      "source": "Thesaurus:optional",
      "word": "nonobligatory"
    },
    {
      "source": "Thesaurus:optional",
      "word": "nonrequired"
    },
    {
      "source": "Thesaurus:optional",
      "word": "nonrequisite"
    },
    {
      "source": "Thesaurus:optional",
      "word": "optional"
    },
    {
      "source": "Thesaurus:optional",
      "word": "optionary"
    },
    {
      "source": "Thesaurus:optional",
      "word": "unrequired"
    },
    {
      "source": "Thesaurus:optional",
      "word": "volitional"
    },
    {
      "source": "Thesaurus:optional",
      "word": "voluntary"
    }
  ],
  "translations": [
    {
      "code": "af",
      "lang": "Afrikaans",
      "sense": "not compulsory",
      "word": "opsioneel"
    },
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "iḵtiyāriyy",
      "sense": "not compulsory",
      "word": "اِخْتِيَارِيّ"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "kaməntir",
      "sense": "not compulsory",
      "word": "կամընտիր"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "očʻ partadir",
      "sense": "not compulsory",
      "word": "ոչ պարտադիր"
    },
    {
      "code": "be",
      "lang": "Belarusian",
      "roman": "njeabavjazkóvy",
      "sense": "not compulsory",
      "word": "неабавязко́вы"
    },
    {
      "code": "be",
      "lang": "Belarusian",
      "roman": "fakulʹtatýŭny",
      "sense": "not compulsory",
      "word": "факультаты́ўны"
    },
    {
      "code": "be",
      "lang": "Belarusian",
      "roman": "apcyjanálʹny",
      "sense": "not compulsory",
      "word": "апцыяна́льны"
    },
    {
      "code": "bn",
      "lang": "Bengali",
      "roman": "ōicchik",
      "sense": "not compulsory",
      "word": "ঐচ্ছিক"
    },
    {
      "code": "bn",
      "lang": "Bengali",
      "roman": "nophol",
      "sense": "not compulsory",
      "word": "নফল"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "nezadǎlžitelen",
      "sense": "not compulsory",
      "word": "незадължителен"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "po izbor",
      "sense": "not compulsory",
      "word": "по избор"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "not compulsory",
      "word": "opcional"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "not compulsory",
      "tags": [
        "masculine"
      ],
      "word": "volitelný"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "not compulsory",
      "word": "valgfri"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "not compulsory",
      "word": "frivillig"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "not compulsory",
      "word": "optioneel"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "not compulsory",
      "word": "valinnainen"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "not compulsory",
      "word": "optionnel"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "not compulsory",
      "word": "facultatif"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "nebaq̇oplobiti",
      "sense": "not compulsory",
      "word": "ნებაყოფლობითი"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "arasavaldebulo",
      "sense": "not compulsory",
      "word": "არასავალდებულო"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "paḳulṭaṭiuri",
      "sense": "not compulsory",
      "word": "ფაკულტატიური"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "paḳulṭaṭuri",
      "sense": "not compulsory",
      "word": "ფაკულტატური"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "disḳreciuli",
      "sense": "not compulsory",
      "word": "დისკრეციული"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "disṗoziṭiuri",
      "sense": "not compulsory",
      "word": "დისპოზიტიური"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "freiwillig"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "optional"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "wahlfrei"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "fakultativ"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "freigestellt"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "wahlweise"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "nicht zwingend vorgeschrieben"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "not compulsory",
      "word": "nicht zwingend erforderlich"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "proairetikós",
      "sense": "not compulsory",
      "tags": [
        "masculine"
      ],
      "word": "προαιρετικός"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "kat' eklogín",
      "sense": "not compulsory",
      "word": "κατ' εκλογήν"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "roman": "vaikalpik",
      "sense": "not compulsory",
      "word": "वैकल्पिक"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "not compulsory",
      "word": "választható"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "not compulsory",
      "word": "fakultatív"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "not compulsory",
      "word": "tetszőleges"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "not compulsory",
      "word": "elhagyható"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "not compulsory",
      "word": "opcionális"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "not compulsory",
      "word": "valfrjáls"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "not compulsory",
      "word": "facoltativo"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "not compulsory",
      "word": "volontario"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "not compulsory",
      "word": "opzionale"
    },
    {
      "code": "la",
      "lang": "Latin",
      "sense": "not compulsory",
      "word": "facultativus"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "not compulsory",
      "word": "valgfri"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "not compulsory",
      "word": "frivillig"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "not compulsory",
      "word": "fakultativ"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "not compulsory",
      "word": "valfri"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "not compulsory",
      "word": "friviljug"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "not compulsory",
      "word": "frivillig"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "not compulsory",
      "word": "fakultativ"
    },
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "extiyâri",
      "sense": "not compulsory",
      "word": "اختیاری"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "not compulsory",
      "word": "opcjonalny"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "not compulsory",
      "word": "fakultatywny"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "not compulsory",
      "word": "opcional"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "not compulsory",
      "word": "facultativo"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "neobjazátelʹnyj",
      "sense": "not compulsory",
      "word": "необяза́тельный"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "note": "e.g. subject",
      "roman": "fakulʹtatívnyj",
      "sense": "not compulsory",
      "word": "факультати́вный"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "opcionálʹnyj",
      "sense": "not compulsory",
      "word": "опциона́льный"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Cyrillic",
        "neuter"
      ],
      "word": "изборно"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Cyrillic",
        "masculine"
      ],
      "word": "изборан"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Cyrillic",
        "feminine"
      ],
      "word": "изборна"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Roman",
        "neuter"
      ],
      "word": "izborno"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Roman",
        "masculine"
      ],
      "word": "izboran"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "not compulsory",
      "tags": [
        "Roman",
        "feminine"
      ],
      "word": "izborna"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "not compulsory",
      "word": "opcional"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "common-gender"
      ],
      "word": "valfri"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "neuter"
      ],
      "word": "valfritt"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "common-gender"
      ],
      "word": "frivillig"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "neuter"
      ],
      "word": "frivilligt"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "common-gender"
      ],
      "word": "fakultativ"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "tags": [
        "neuter"
      ],
      "word": "fakultativt"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "not compulsory",
      "word": "volontär"
    },
    {
      "code": "ti",
      "lang": "Tigrinya",
      "roman": "ʾamaraṣyawi",
      "sense": "not compulsory",
      "word": "ኣማራጽያዊ"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "not compulsory",
      "word": "ihtiyari"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "not compulsory",
      "word": "isteğe bağlı"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "not compulsory",
      "word": "istemli"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "not compulsory",
      "word": "opsiyonel"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "not compulsory",
      "word": "opsiyonlu"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "neobovʺjazkóvyj",
      "sense": "not compulsory",
      "word": "необов'язко́вий"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "fakulʹtatývnyj",
      "sense": "not compulsory",
      "word": "факультати́вний"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "opcionálʹnyj",
      "sense": "not compulsory",
      "word": "опціона́льний"
    },
    {
      "code": "yi",
      "lang": "Yiddish",
      "roman": "breyredik",
      "sense": "not compulsory",
      "word": "ברירהדיק"
    }
  ],
  "word": "optional"
}

{
  "categories": [
    "English 3-syllable words",
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -al",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English uncomparable adjectives",
    "Requests for review of Italian translations"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "option",
        "3": "al"
      },
      "expansion": "option + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "option + -al",
  "forms": [
    {
      "form": "optionals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "optional (plural optionals)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Something that is not compulsory, especially part of an academic course."
      ],
      "links": [
        [
          "academic",
          "academic"
        ],
        [
          "course",
          "course"
        ]
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "en:Programming"
      ],
      "examples": [
        {
          "ref": "2015, Richard M Reese, Learning Java Functional Programming, Packt Publishing Ltd, page 147",
          "text": "In functional languages, there is a data type called the option type, also called the maybe type. Its purpose is to encapsulate a value, which is returned from a function. […] In Java 8, the Optional class has been added to serve as an option type.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value."
      ],
      "links": [
        [
          "programming",
          "programming#Noun"
        ],
        [
          "capitalized",
          "capitalisation"
        ],
        [
          "programming language",
          "programming language"
        ],
        [
          "variable",
          "variable"
        ],
        [
          "data type",
          "data type"
        ],
        [
          "value",
          "value"
        ]
      ],
      "raw_glosses": [
        "(programming, sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value."
      ],
      "tags": [
        "capitalized",
        "sometimes"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "programming",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒp.ʃə.nəl/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈɑp.ʃə.nəl/",
      "tags": [
        "General-American"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-optional.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/3/3a/LL-Q1860_%28eng%29-Vealhurl-optional.wav/LL-Q1860_%28eng%29-Vealhurl-optional.wav.ogg",
      "tags": [
        "Southern-England"
      ],
      "text": "Audio (Southern England)"
    }
  ],
  "word": "optional"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-09 from the enwiktionary dump dated 2024-05-02 using wiktextract (4d5d0bb and edd475d). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.