identifier.
Someone who identifies; a person who establishes the identity of someone or something.
Meaning & usage
Someone who identifies; a person who establishes the identity of someone or something.
Something that identifies or uniquely points to something or someone else.
One who identifies as a particular type or role; one who says and believes that they are a certain thing.
A guidebook that helps determine the specific class of an object (such as a mushroom, herb, fish, bird, drug, or mineral), or its individual identity (such as that of a star).
A formal name used in source code to refer to a variable, function, procedure, package, etc. or in an operating system to refer to a process, user, group, etc.
A code that distinguishes a particular element from all other elements in a document.
A primary key.
Where this word comes from
Etymology tree English identify Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English identifier From identify + -er.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.