"null" meaning in English

See null in All languages combined, or Wiktionary

Adjective

IPA: /nʌl/ [UK, US] Audio: en-us-null.ogg [US] Forms: null [positive], [comparative], [superlative]
Head templates: {{adj}} [POS TABLE]
  1. If a law, contract, rule, etc. is null and void, it has no force.
    Sense id: simple-null-en-adj-WGfUkaxR

Noun

IPA: /nʌl/ [UK, US] Audio: en-us-null.ogg [US] Forms: null [singular], nulls [plural]
Head templates: {{noun}} [POS TABLE]
  1. A null is a 0 or ∅. Synonyms: zero
    Sense id: simple-null-en-noun-81TbNNYa
  2. A null hypothesis is the idea that there is no relationship, effect, or difference in an experiment.
    Sense id: simple-null-en-noun-Q5~~lAnv Categories (other): Attributive modifiers
  3. A null is a symbol with no meaning or effect.
    Sense id: simple-null-en-noun-IRpc9wMz

Verb

IPA: /nʌl/ [UK, US] Audio: en-us-null.ogg [US] Forms: null [canonical], nulls [third-person, singular], nulled [past], nulled [past, participle], nulling [present, participle]
Head templates: {{verb}} [POS TABLE]
  1. If you null (out) a force, effect, signal, etc., you cancel it out or remove it. Synonyms: nullify
    Sense id: simple-null-en-verb-ApfuItO8
{
  "forms": [
    {
      "form": "null",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "–",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "–",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "Your marriage to the King has been declared null and void."
        }
      ],
      "glosses": [
        "If a law, contract, rule, etc. is null and void, it has no force."
      ],
      "id": "simple-null-en-adj-WGfUkaxR"
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}

{
  "forms": [
    {
      "form": "null",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "nulls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "The temperature is null point five four (0.54)."
        }
      ],
      "glosses": [
        "A null is a 0 or ∅."
      ],
      "id": "simple-null-en-noun-81TbNNYa",
      "raw_tags": [
        "countable"
      ],
      "synonyms": [
        {
          "word": "zero"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Attributive modifiers",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Again, the null hypothesis stating no difference was rejected."
        }
      ],
      "glosses": [
        "A null hypothesis is the idea that there is no relationship, effect, or difference in an experiment."
      ],
      "id": "simple-null-en-noun-Q5~~lAnv",
      "raw_tags": [
        "usually before a noun"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A null is a symbol with no meaning or effect."
      ],
      "id": "simple-null-en-noun-IRpc9wMz",
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}

{
  "forms": [
    {
      "form": "null",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nulls",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "nulled",
      "tags": [
        "past"
      ]
    },
    {
      "form": "nulled",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "nulling",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "If you null (out) a force, effect, signal, etc., you cancel it out or remove it."
      ],
      "id": "simple-null-en-verb-ApfuItO8",
      "raw_tags": [
        "transitive"
      ],
      "synonyms": [
        {
          "word": "nullify"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}
{
  "forms": [
    {
      "form": "null",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "–",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "–",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "Your marriage to the King has been declared null and void."
        }
      ],
      "glosses": [
        "If a law, contract, rule, etc. is null and void, it has no force."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}

{
  "forms": [
    {
      "form": "null",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "nulls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Countable nouns"
      ],
      "examples": [
        {
          "text": "The temperature is null point five four (0.54)."
        }
      ],
      "glosses": [
        "A null is a 0 or ∅."
      ],
      "raw_tags": [
        "countable"
      ],
      "synonyms": [
        {
          "word": "zero"
        }
      ]
    },
    {
      "categories": [
        "Attributive modifiers"
      ],
      "examples": [
        {
          "text": "Again, the null hypothesis stating no difference was rejected."
        }
      ],
      "glosses": [
        "A null hypothesis is the idea that there is no relationship, effect, or difference in an experiment."
      ],
      "raw_tags": [
        "usually before a noun"
      ]
    },
    {
      "categories": [
        "Countable nouns"
      ],
      "glosses": [
        "A null is a symbol with no meaning or effect."
      ],
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}

{
  "forms": [
    {
      "form": "null",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "nulls",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "nulled",
      "tags": [
        "past"
      ]
    },
    {
      "form": "nulled",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "nulling",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Transitive verbs"
      ],
      "glosses": [
        "If you null (out) a force, effect, signal, etc., you cancel it out or remove it."
      ],
      "raw_tags": [
        "transitive"
      ],
      "synonyms": [
        {
          "word": "nullify"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nʌl/",
      "tags": [
        "UK",
        "US"
      ]
    },
    {
      "audio": "en-us-null.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "null"
}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-01-13 from the simplewiktionary dump dated 2025-01-01 using wiktextract (4ba5975 and 4ed51a5). 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.