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.
Biometrics, such as fingerprints, facial recognition, voiceprints and even behavior, are unique identifiers that are nearly impossible to replicate. Glen Robinson, Forbes, 10 Jan. 2025 The city wasn’t a leading identifier for him, at least compared with a Lamar, a YG, a Vince Staples. Rembert Browne, Billboard, 11 Dec. 2024 Respectfully demur when asked for your Social Security number by a healthcare provider or other company and offer some other personal identifier, such as your driver’s license number whenever possible. Steve Weisman, Forbes, 23 Dec. 2024 Joker and Harley Quinn have been reinterpreted in many ways over the decades but have signatures that can be either cliché or helpful identifiers. Valli Herman, Los Angeles Times, 18 Dec. 2024 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

Dictionary Entries Near identifier

Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 18 Jan. 2025.

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