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.
Columbia discontinued its use of SSNs as student identifiers in 2012, the official told Ars. Ashley Belanger, ArsTechnica, 4 June 2026 How To Know Your LGBTQ+ Child Feels Supported Parents spoke to mental health experts to find out the four biggest identifiers that your LGBTQ+ child feels supported at home. Taylor Grothe, Parents, 4 June 2026 Identity monitoring can scan the dark web and data broker sites for SSNs, addresses, driver's license numbers and other identifiers. Kurt Knutsson, FOXNews.com, 2 June 2026 In practice, that often means simplifying vendor relationships, reducing dependence on cross-environment identifiers, pressure-testing consent flows and building strategies that continue performing when identity signals become more limited. Tony Gonzalez, Forbes.com, 1 June 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

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Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 8 Jun. 2026.

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