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

Short for adversarial hallucination squatting, HalluSquatting is built on an LLM’s inherent tendency to hallucinate the resource identifiers hosted in repositories and registries. — Dan Goodin, ArsTechnica, 8 July 2026

Texas rattlesnakes locations, identifiers There are 10 species of rattlesnake in Texas. — Mateo Rosiles, USA Today, 6 July 2026

Meanwhile, cybersecurity researcher Costin Raiu is questioning whether other tech companies have the same surveillance capabilities, given the use of unique identifiers. — Michael Kan, PC Magazine, 6 July 2026

An email platform sees one identifier, a website analytics platform sees another, a demand-side platform sees a device, a CRM sees a contact record and a connected TV platform sees a household. — Paula Chiocchi, Forbes.com, 1 July 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