identifier

noun

iden·​ti·​fi·​er ī-ˈden-tə-ˌfī(-ə)r 

ə-

: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web

Your claim number serves as the central tracking identifier across all communications. — Kaitlyn Gomez, Miami Herald, 11 Nov. 2026

Searches and requests are associated with a random identifier — a long string of letters and numbers — not a user’s Apple Account. — John Higgins, The Verge, 11 Nov. 2026

To reconcile this, retail teams often have to do things the hard way—comparing product identifiers when available, exploring different keywords, or even doing manual competitive shopping if necessary. — Roy Stephen Canivel, Footwear News, 6 Nov. 2026

The system should run inside your own cloud or an isolated environment so that personal identifiers arrive scrambled and the vendor never holds the key. — Expert Panel®, Forbes.com, 5 Nov. 2026

Word History

First Known Use

1807, in the meaning defined above

Rhymes for identifier

• amplifier
• clarifier
• classifier
• gasifier
• magnifier
• modifier
• multiplier
• occupier
• pacifier
• purifier
• qualifier
• quantifier