identity

Fetched 2026-10-26 (cache).

Synonyms: identify, entity, density, ideality, identic, identism, idoneity

Antonyms: identify, entity, density, ideality, identic, identism, idoneity

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|identicalness}} {{lb|en|now chiefly in technical usage}} [[sameness|Sameness]], [[identicalness]]; the quality or fact of (several specified things) being the same.
2. {{senseid|en|selfhood}} The [[difference]] or [[character]] that marks off an [[individual]] or [[collective]] from the [[rest]] of the same kind; [[selfhood]]; the sense of who something or someone or oneself is, or the [[recurring]] [[characteristic]]s that [[enable]] the [[recognition]] of such an [[individual]] or [[group]] by others or themselves.
3. {{senseid|en|persona or identifier}} A [[name]] or [[persona]]—a mask or appearance one presents to the world—by which one is known.
4. {{lb|en|mathematics}} An [[equation]] which always holds true regardless of the choice of input [[variable]]s.
5. {{senseid|en|identity function, in mathematics}} {{lb|en|algebra|computing}} Any [[function]] which [[map]]s all elements of its [[domain]] to themselves.
6. {{lb|en|algebra}} An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.
7. {{senseid|en|a well-known or famous person}} {{lb|en|Australia|NZ}} A [[well-known]] or [[famous]] person.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.