"nullable" meaning in English

See nullable in All languages combined, or Wiktionary

Adjective

Etymology: Etymology tree English null Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English nullable From null + -able. Etymology templates: {{ety|en|:af|null|-able|text=+|tree=1}} Etymology tree English null Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English nullable [Appendix:Glossary#loanword|Borrowed]] from", "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "children" : [ { "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "children" : [ { "terms" : [ { "alt" : "*-dʰlom", "children" : [ ], "lang_name" : "Proto-Indo-European", "term" : "*-trom", "status" : "missing", "lang" : "ine-pro" } ], "keyword_label" : "From", "keyword" : "from" } ], "lang_name" : "Proto-Indo-European", "term" : "*-dʰlis", "status" : "inline", "lang" : "ine-pro" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Proto-Italic", "term" : "*-ðlis", "lang" : "itc-pro" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "lang_name" : "Latin", "term" : "-bilis", "status" : "ok", "lang" : "la" } ], "keyword_label" : "From", "keyword" : "from" } ], "status" : "ok", "lang_name" : "Latin", "term" : "-ābilis", "lang" : "la" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Old French", "term" : "-able", "lang" : "fro" } ], "keyword" : "bor" } ], "status" : "ok", "lang_name" : "Middle English", "term" : "-able", "lang" : "enm" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "lang_name" : "English", "term" : "-able", "status" : "ok", "lang" : "en" } ], "keyword_label" : "From", "is_group" : true, "keyword" : "affix" } ], "lang_name" : "English", "term" : "nullable", "status" : "ok", "lang" : "en" }" data-lang="en" data-title="nullable"> From null + -able. Head templates: {{en-adj|-}} nullable (not comparable)
  1. That may be nullified; nullifiable. Tags: not-comparable
    Sense id: en-nullable-en-adj-tqradXP5 Categories (other): English entries referencing missing etymons, English entries with etymology texts, English entries with etymology trees, English entries with incorrect language header, English terms suffixed with -able, Pages using etymon with no ID, Pages with 1 entry, Pages with entries, Pages with etymology trees Disambiguation of English entries referencing missing etymons: 43 26 31 Disambiguation of English entries with etymology texts: 61 17 22 Disambiguation of English entries with etymology trees: 61 17 22 Disambiguation of English entries with incorrect language header: 39 28 33 Disambiguation of English terms suffixed with -able: 56 21 23 Disambiguation of Pages using etymon with no ID: 47 23 30 Disambiguation of Pages with 1 entry: 47 24 28 Disambiguation of Pages with entries: 49 23 28 Disambiguation of Pages with etymology trees: 62 17 21
  2. (computing, of a variable or object) That is allowed to have a null value. Tags: not-comparable
    Sense id: en-nullable-en-adj-8zfpERrv Categories (other): Computing, English entries with incorrect language header Disambiguation of English entries with incorrect language header: 39 28 33 Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
The following are not (yet) sense-disambiguated
Derived forms: nullability

Noun

Forms: nullables [plural]
Etymology: Etymology tree English null Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English nullable From null + -able. Etymology templates: {{ety|en|:af|null|-able|text=+|tree=1}} Etymology tree English null Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English nullable [Appendix:Glossary#loanword|Borrowed]] from", "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "children" : [ { "terms" : [ { "id" : "est", "children" : [ { "terms" : [ { "children" : [ { "terms" : [ { "alt" : "*-dʰlom", "children" : [ ], "lang_name" : "Proto-Indo-European", "term" : "*-trom", "status" : "missing", "lang" : "ine-pro" } ], "keyword_label" : "From", "keyword" : "from" } ], "lang_name" : "Proto-Indo-European", "term" : "*-dʰlis", "status" : "inline", "lang" : "ine-pro" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Proto-Italic", "term" : "*-ðlis", "lang" : "itc-pro" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "lang_name" : "Latin", "term" : "-bilis", "status" : "ok", "lang" : "la" } ], "keyword_label" : "From", "keyword" : "from" } ], "status" : "ok", "lang_name" : "Latin", "term" : "-ābilis", "lang" : "la" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Old French", "term" : "-able", "lang" : "fro" } ], "keyword" : "bor" } ], "status" : "ok", "lang_name" : "Middle English", "term" : "-able", "lang" : "enm" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "lang_name" : "English", "term" : "-able", "status" : "ok", "lang" : "en" } ], "keyword_label" : "From", "is_group" : true, "keyword" : "affix" } ], "lang_name" : "English", "term" : "nullable", "status" : "ok", "lang" : "en" }" data-lang="en" data-title="nullable"> From null + -able. Head templates: {{en-noun}} nullable (plural nullables)
  1. (computing) A variable, etc. that is allowed to have a null value.
    Sense id: en-nullable-en-noun-~-LzBI-E Categories (other): Computing, English entries with incorrect language header Disambiguation of English entries with incorrect language header: 39 28 33 Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

Inflected forms

Alternative forms

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        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish null\nProto-Indo-European *-dʰlom\nProto-Indo-European *-dʰlis\nProto-Italic *-ðlis\nLatin -bilis\nLatin -ābilis\nOld French -ablebor.\nMiddle English -able\nEnglish -able\nEnglish nullable\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"id\" : \"est\", \"children\" : [ { \"terms\" : [ { \"id\" : \"est\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"id\" : \"est\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"terms\" : [ { \"alt\" : \"*-dʰlom\", \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-trom\", \"status\" : \"missing\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-dʰlis\", \"status\" : \"inline\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-ðlis\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"Latin\", \"term\" : \"-bilis\", \"status\" : \"ok\", \"lang\" : \"la\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ābilis\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-able\", \"lang\" : \"fro\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-able\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"-able\", \"status\" : \"ok\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"nullable\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"nullable\">\nFrom null + -able.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish null\nProto-Indo-European *-dʰlom\nProto-Indo-European *-dʰlis\nProto-Italic *-ðlis\nLatin -bilis\nLatin -ābilis\nOld French -ablebor.\nMiddle English -able\nEnglish -able\nEnglish nullable\nFrom null + -able.",
  "forms": [
    {
      "form": "nullables",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nullable (plural nullables)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Computing"
      ],
      "glosses": [
        "A variable, etc. that is allowed to have a null value."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "variable",
          "variable"
        ],
        [
          "null",
          "null"
        ],
        [
          "value",
          "value"
        ]
      ],
      "raw_glosses": [
        "(computing) A variable, etc. that is allowed to have a null value."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "nullable"
}

Download raw JSONL data for nullable meaning in English (7.7kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-06-07 from the enwiktionary dump dated 2026-06-01 using wiktextract (e79dea5 and 7f4db16). 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.