"undefined" meaning in All languages combined

See undefined on Wiktionary

Adjective [English]

Audio: LL-Q1860 (eng)-Flame, not lame-undefined.wav
Etymology: From un- + defined. Etymology templates: {{af|en|un-|defined|id1=negative}} un- + defined Head templates: {{en-adj|-}} undefined (not comparable)
  1. Lacking a definition or value. Tags: not-comparable Synonyms (lacking a definition or value): indefinite Translations (lacking definition or value): неопределе́н (neopredelén) (Bulgarian), indefinit (Catalan), 未定義 (Chinese Mandarin), 未定义 (wèidìngyì) (Chinese Mandarin), nedefinovaný (Czech), määrittelemätön (Finnish), epämääräinen (Finnish), indéfini (French), indefinito (Italian), niezdefiniowany (Polish), nieokreślony (Polish), indefinido (Portuguese), nedefinit (Romanian), неопределённый (neopredeljónnyj) (Russian)
    Sense id: en-undefined-en-adj-VaOzBR6O Categories (other): English entries with incorrect language header, English terms prefixed with un- (negative), Terms with Czech translations, Terms with Polish translations Disambiguation of English entries with incorrect language header: 14 40 47 Disambiguation of English terms prefixed with un- (negative): 32 37 31 Disambiguation of Terms with Czech translations: 23 36 40 Disambiguation of Terms with Polish translations: 27 33 40 Disambiguation of 'lacking a definition or value': 96 4 Disambiguation of 'lacking definition or value': 90 10
  2. (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation. Tags: not-comparable Categories (topical): Computing, Mathematics Translations (mathematics: without interpretation): indefinit (Catalan), määrittelemätön (Finnish), indéfini (French), nedefinit (Romanian), неопределённый (neopredeljónnyj) (Russian)
    Sense id: en-undefined-en-adj-g-lXy9MX Categories (other): English entries with incorrect language header, English terms prefixed with un- (negative), Terms with Czech translations, Terms with Polish translations Disambiguation of English entries with incorrect language header: 14 40 47 Disambiguation of English terms prefixed with un- (negative): 32 37 31 Disambiguation of Terms with Czech translations: 23 36 40 Disambiguation of Terms with Polish translations: 27 33 40 Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences Disambiguation of 'mathematics: without interpretation': 23 77
The following are not (yet) sense-disambiguated
Synonyms: undefinable, indistinct, vague Derived forms: undefined behavior

Noun [English]

Audio: LL-Q1860 (eng)-Flame, not lame-undefined.wav Forms: undefineds [plural]
Etymology: From un- + defined. Etymology templates: {{af|en|un-|defined|id1=negative}} un- + defined Head templates: {{en-noun}} undefined (plural undefineds)
  1. (computing) An undefined value. Categories (topical): Computing
    Sense id: en-undefined-en-noun-yilAl06r Categories (other): English entries with incorrect language header, English terms prefixed with un- (negative), Entries with translation boxes, Pages with 1 entry, Pages with entries, Terms with Bulgarian translations, Terms with Catalan translations, Terms with Czech translations, Terms with Finnish translations, Terms with French translations, Terms with Italian translations, Terms with Mandarin translations, Terms with Polish translations, Terms with Portuguese translations, Terms with Romanian translations, Terms with Russian translations Disambiguation of English entries with incorrect language header: 14 40 47 Disambiguation of English terms prefixed with un- (negative): 32 37 31 Disambiguation of Entries with translation boxes: 27 32 41 Disambiguation of Pages with 1 entry: 22 33 45 Disambiguation of Pages with entries: 19 30 50 Disambiguation of Terms with Bulgarian translations: 30 31 39 Disambiguation of Terms with Catalan translations: 26 33 41 Disambiguation of Terms with Czech translations: 23 36 40 Disambiguation of Terms with Finnish translations: 26 33 41 Disambiguation of Terms with French translations: 28 26 47 Disambiguation of Terms with Italian translations: 25 26 49 Disambiguation of Terms with Mandarin translations: 24 32 44 Disambiguation of Terms with Polish translations: 27 33 40 Disambiguation of Terms with Portuguese translations: 26 33 41 Disambiguation of Terms with Romanian translations: 26 33 41 Disambiguation of Terms with Russian translations: 25 26 49 Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Inflected forms

Alternative forms

{
  "antonyms": [
    {
      "word": "defined"
    }
  ],
  "derived": [
    {
      "_dis1": "0 0",
      "word": "undefined behavior"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un-",
        "3": "defined",
        "id1": "negative"
      },
      "expansion": "un- + defined",
      "name": "af"
    }
  ],
  "etymology_text": "From un- + defined.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "undefined (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "14 40 47",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "32 37 31",
          "kind": "other",
          "name": "English terms prefixed with un- (negative)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "23 36 40",
          "kind": "other",
          "name": "Terms with Czech translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 33 40",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1992, Lia Matera, Prior Convictions, page 121:",
          "text": "We slid into our office, past two women discussing the \"X factor,\" an apparently undefined quality their firm felt they lacked.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Lacking a definition or value."
      ],
      "id": "en-undefined-en-adj-VaOzBR6O",
      "links": [
        [
          "definition",
          "definition"
        ],
        [
          "value",
          "value"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "96 4",
          "sense": "lacking a definition or value",
          "word": "indefinite"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "_dis1": "90 10",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "neopredelén",
          "sense": "lacking definition or value",
          "word": "неопределе́н"
        },
        {
          "_dis1": "90 10",
          "code": "ca",
          "lang": "Catalan",
          "sense": "lacking definition or value",
          "word": "indefinit"
        },
        {
          "_dis1": "90 10",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "lacking definition or value",
          "word": "未定義"
        },
        {
          "_dis1": "90 10",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "wèidìngyì",
          "sense": "lacking definition or value",
          "word": "未定义"
        },
        {
          "_dis1": "90 10",
          "code": "cs",
          "lang": "Czech",
          "sense": "lacking definition or value",
          "word": "nedefinovaný"
        },
        {
          "_dis1": "90 10",
          "code": "fi",
          "lang": "Finnish",
          "sense": "lacking definition or value",
          "word": "määrittelemätön"
        },
        {
          "_dis1": "90 10",
          "code": "fi",
          "lang": "Finnish",
          "sense": "lacking definition or value",
          "word": "epämääräinen"
        },
        {
          "_dis1": "90 10",
          "code": "fr",
          "lang": "French",
          "sense": "lacking definition or value",
          "word": "indéfini"
        },
        {
          "_dis1": "90 10",
          "code": "it",
          "lang": "Italian",
          "sense": "lacking definition or value",
          "word": "indefinito"
        },
        {
          "_dis1": "90 10",
          "code": "pl",
          "lang": "Polish",
          "sense": "lacking definition or value",
          "word": "niezdefiniowany"
        },
        {
          "_dis1": "90 10",
          "code": "pl",
          "lang": "Polish",
          "sense": "lacking definition or value",
          "word": "nieokreślony"
        },
        {
          "_dis1": "90 10",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "lacking definition or value",
          "word": "indefinido"
        },
        {
          "_dis1": "90 10",
          "code": "ro",
          "lang": "Romanian",
          "sense": "lacking definition or value",
          "word": "nedefinit"
        },
        {
          "_dis1": "90 10",
          "code": "ru",
          "lang": "Russian",
          "roman": "neopredeljónnyj",
          "sense": "lacking definition or value",
          "word": "неопределённый"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "14 40 47",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        },
        {
          "_dis": "32 37 31",
          "kind": "other",
          "name": "English terms prefixed with un- (negative)",
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          "source": "w+disamb"
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        {
          "_dis": "23 36 40",
          "kind": "other",
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          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 33 40",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "The result of division by zero is undefined.",
          "type": "example"
        }
      ],
      "glosses": [
        "That does not have a meaning and is thus not assigned an interpretation."
      ],
      "id": "en-undefined-en-adj-g-lXy9MX",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "computing",
          "computing#Noun"
        ],
        [
          "meaning",
          "meaning"
        ],
        [
          "interpretation",
          "interpretation"
        ]
      ],
      "raw_glosses": [
        "(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "_dis1": "23 77",
          "code": "ca",
          "lang": "Catalan",
          "sense": "mathematics: without interpretation",
          "word": "indefinit"
        },
        {
          "_dis1": "23 77",
          "code": "fi",
          "lang": "Finnish",
          "sense": "mathematics: without interpretation",
          "word": "määrittelemätön"
        },
        {
          "_dis1": "23 77",
          "code": "fr",
          "lang": "French",
          "sense": "mathematics: without interpretation",
          "word": "indéfini"
        },
        {
          "_dis1": "23 77",
          "code": "ro",
          "lang": "Romanian",
          "sense": "mathematics: without interpretation",
          "word": "nedefinit"
        },
        {
          "_dis1": "23 77",
          "code": "ru",
          "lang": "Russian",
          "roman": "neopredeljónnyj",
          "sense": "mathematics: without interpretation",
          "word": "неопределённый"
        }
      ]
    }
  ],
  "sounds": [
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  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "undefinable"
    },
    {
      "_dis1": "0 0",
      "word": "indistinct"
    },
    {
      "_dis1": "0 0",
      "word": "vague"
    }
  ],
  "word": "undefined"
}

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        "id1": "negative"
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      "expansion": "un- + defined",
      "name": "af"
    }
  ],
  "etymology_text": "From un- + defined.",
  "forms": [
    {
      "form": "undefineds",
      "tags": [
        "plural"
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  "head_templates": [
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  "senses": [
    {
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        {
          "kind": "topical",
          "langcode": "en",
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          "_dis": "14 40 47",
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        {
          "_dis": "27 32 41",
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        {
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        {
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          "kind": "other",
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          "parents": [],
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          "_dis": "28 26 47",
          "kind": "other",
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          "kind": "other",
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          "kind": "other",
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          "_dis": "25 26 49",
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
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      "examples": [
        {
          "ref": "1987, J. E. Lapin, Portable C and UNIX System Programming (Prentice-Hall Software Series), Englewood Cliffs, N.J.: Prentice-Hall, Inc., →ISBN, page 72:",
          "text": "[Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global",
          "type": "quote"
        },
        {
          "ref": "1988, Pearl Brereton, editor, Software Engineering Environments, Chichester, West Sussex: Ellis Horwood Limited, →ISBN, page 230:",
          "text": "Every operation is defined completely either by delivering a value of some type depending only on the types of its operands or by causing some defined exception; there are no ‘undefineds’ in Ten15.",
          "type": "quote"
        },
        {
          "ref": "2017, Neos. Thanh, “Arrays”, in JavaScript Programming, →ISBN, page 36:",
          "text": "The Array object has these commonly-used properties: • .length: the number of items including undefineds.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An undefined value."
      ],
      "id": "en-undefined-en-noun-yilAl06r",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
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          "#Adjective"
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      "raw_glosses": [
        "(computing) An undefined value."
      ],
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        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
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  "word": "undefined"
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{
  "antonyms": [
    {
      "word": "defined"
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    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with un- (negative)",
    "English uncomparable adjectives",
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    "Pages with entries",
    "Terms with Bulgarian translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Italian translations",
    "Terms with Mandarin translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Romanian translations",
    "Terms with Russian translations"
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      "word": "undefined behavior"
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  "etymology_text": "From un- + defined.",
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  "lang_code": "en",
  "pos": "adj",
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      "categories": [
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        "Quotation templates to be cleaned"
      ],
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        {
          "ref": "1992, Lia Matera, Prior Convictions, page 121:",
          "text": "We slid into our office, past two women discussing the \"X factor,\" an apparently undefined quality their firm felt they lacked.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Lacking a definition or value."
      ],
      "links": [
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          "definition",
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          "value"
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      "tags": [
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      "glosses": [
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      ],
      "links": [
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          "mathematics"
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        [
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        [
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      "raw_glosses": [
        "(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation."
      ],
      "tags": [
        "not-comparable"
      ],
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
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  "synonyms": [
    {
      "sense": "lacking a definition or value",
      "word": "indefinite"
    },
    {
      "word": "undefinable"
    },
    {
      "word": "indistinct"
    },
    {
      "word": "vague"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "neopredelén",
      "sense": "lacking definition or value",
      "word": "неопределе́н"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "lacking definition or value",
      "word": "indefinit"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "lacking definition or value",
      "word": "未定義"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "wèidìngyì",
      "sense": "lacking definition or value",
      "word": "未定义"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "lacking definition or value",
      "word": "nedefinovaný"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "lacking definition or value",
      "word": "määrittelemätön"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "lacking definition or value",
      "word": "epämääräinen"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "lacking definition or value",
      "word": "indéfini"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "lacking definition or value",
      "word": "indefinito"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "lacking definition or value",
      "word": "niezdefiniowany"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "lacking definition or value",
      "word": "nieokreślony"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "lacking definition or value",
      "word": "indefinido"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "lacking definition or value",
      "word": "nedefinit"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "neopredeljónnyj",
      "sense": "lacking definition or value",
      "word": "неопределённый"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "mathematics: without interpretation",
      "word": "indefinit"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "mathematics: without interpretation",
      "word": "määrittelemätön"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "mathematics: without interpretation",
      "word": "indéfini"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "mathematics: without interpretation",
      "word": "nedefinit"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "neopredeljónnyj",
      "sense": "mathematics: without interpretation",
      "word": "неопределённый"
    }
  ],
  "word": "undefined"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with un- (negative)",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Bulgarian translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Italian translations",
    "Terms with Mandarin translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Romanian translations",
    "Terms with Russian translations"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "un-",
        "3": "defined",
        "id1": "negative"
      },
      "expansion": "un- + defined",
      "name": "af"
    }
  ],
  "etymology_text": "From un- + defined.",
  "forms": [
    {
      "form": "undefineds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "undefined (plural undefineds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "en:Computing"
      ],
      "examples": [
        {
          "ref": "1987, J. E. Lapin, Portable C and UNIX System Programming (Prentice-Hall Software Series), Englewood Cliffs, N.J.: Prentice-Hall, Inc., →ISBN, page 72:",
          "text": "[Option:] · [PDP11:] F [BSD:] · [XE 2.3:] [1] [XE 3.0:] · [SIII:] · [COFF:] · [meaning:] make undefineds global",
          "type": "quote"
        },
        {
          "ref": "1988, Pearl Brereton, editor, Software Engineering Environments, Chichester, West Sussex: Ellis Horwood Limited, →ISBN, page 230:",
          "text": "Every operation is defined completely either by delivering a value of some type depending only on the types of its operands or by causing some defined exception; there are no ‘undefineds’ in Ten15.",
          "type": "quote"
        },
        {
          "ref": "2017, Neos. Thanh, “Arrays”, in JavaScript Programming, →ISBN, page 36:",
          "text": "The Array object has these commonly-used properties: • .length: the number of items including undefineds.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An undefined value."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "undefined",
          "#Adjective"
        ]
      ],
      "raw_glosses": [
        "(computing) An undefined value."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q1860 (eng)-Flame, not lame-undefined.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8b/LL-Q1860_%28eng%29-Flame%2C_not_lame-undefined.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-undefined.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8b/LL-Q1860_%28eng%29-Flame%2C_not_lame-undefined.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-undefined.wav.ogg"
    }
  ],
  "word": "undefined"
}

Download raw JSONL data for undefined meaning in All languages combined (7.6kB)


This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-12-15 from the enwiktionary dump dated 2024-12-04 using wiktextract (8a39820 and 4401a4c). 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.