identifier

noun

iden·​ti·​fi·​er ī-ˈden-tə-ˌfī(-ə)r How to pronounce identifier (audio)
ə-
: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When the men become monstrous, the appetite for an alternative grows, even one that is stripped of all human identifiers. — Janelle Okwodu, Vogue, 26 Oct. 2026 Researchers found that some counterfeit devices even reported legitimate looking Samsung model identifiers. — Kurt Knutsson, FOXNews.com, 23 Oct. 2026 Then there is the barcode underneath the address, which contains a number of hidden identifiers, including something called a mailer ID. — Kelsy Mittauer, CBS News, 22 Oct. 2026 The hackers also obtained access to unique student identifier numbers as well as information about gender, race or ethnicity, primary language, country of origin and English learner status. — Howard Blume, Los Angeles Times, 17 Oct. 2026 See All Example Sentences for identifier

Word History

First Known Use

1807, in the meaning defined above

Time Traveler
The first known use of identifier was in 1807

Rhymes for identifier

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Browse Nearby Words

identificatory
identifier
identify
See all Nearby Words

Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 1 Nov. 2026.

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