Word.ws English Dictionary

nullable

nullable adjective: that may be nullified; nullifiable.

Adjective

nullable (not comparable)

  1. That may be nullified; nullifiable.
    • Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust.1841, F. Barham, The political works of Marcus Tullius Cicero
  2. That is allowed to have a null value.
    • You want to perform an aggregation on a column, but the column is nullable.2006, Anthony Molinaro, SQL Cookbook

Noun

nullable (plural nullables)

  1. A variable, etc. that is allowed to have a null value.

Forms of nullable

pluralnullables

Origin of nullable

From null + -able.

Words formed from nullable

Questions about nullable

What does nullable mean?
Nullable means that may be nullified; nullifiable.
What part of speech is nullable?
Nullable can be an adjective or a noun.

Words near nullable in the dictionary

  1. Nulla Vale
  2. nulla-nulla
  3. nulla-nullas
  4. nullabilities
  5. nullability
  6. nullable
  7. nullables
  8. Nullaginian
  9. nullaginite
  10. nullah
  11. nullah-nullah

Source and license

Adapted from Wiktionary: nullable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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