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.
Their goal was to find an IP address — the unique identifier assigned to every cell phone and computer — that could reveal the source. Samantha Stutsman, People.com, 3 Sep. 2025 Foody argues Mercor protects against bias even more than traditional recruiting, because its AI isn’t allowed to see certain identifiers about candidates, including name, gender and race. Richard Nieva, Forbes.com, 3 Sep. 2025 We, in collaboration with our partners, store and/or access information on a user's device, including but not limited to IP addresses, unique identifiers, and browsing data stored in cookies, in order to process personal data. Matthew Strauss, Pitchfork, 3 Sep. 2025 But photos and videos reviewed by The Associated Press do not show agents always wearing clear badges, tags or other identifiers during encounters with the public. Byron Tau, Chicago Tribune, 30 Aug. 2025 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

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Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 5 Sep. 2025.

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