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.
Both Tuesday’s and Wednesday’s advisories provide the IP addresses and other identifiers of the attackers’ infrastructure. Dan Goodin, ArsTechnica, 8 Apr. 2026 The data shows Bhuva's national identifier was tied to the one of the largest volumes of Medicare hospice reimbursements in California in 2024. Grace Manthey, CBS News, 7 Apr. 2026 Using unique identifiers attached to each arrestee, The Post excluded a number of apparent duplicate arrests from its analysis. Seth Klamann, Denver Post, 6 Apr. 2026 Additionally, any person can ride on a sidewalk that has been clearly marked with signs or other identifiers as a bicycle path, but pedestrians still have the right-of-way. Maia Pandey, jsonline.com, 31 Mar. 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

Browse Nearby Words

Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 13 Apr. 2026.

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