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.
Device identifiers: Technical information that can determine when someone switches their SIM card to a different phone. Lars Daniel, Forbes, 7 Mar. 2025 That includes social media identifiers, or handles. Russel Honoré, Newsweek, 6 Mar. 2025 Even with personal identifiers removed, an AI system that analyzes patterns across millions of government records could enable surprising capabilities for making predictions and influencing behavior at the population level. Allison Stanger, The Conversation, 6 Mar. 2025 Obvious identifiers like a street name, alma mater or other information that may be readily available online are ill-advised, experts say. Megan Cerullo, CBS News, 17 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

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Cite this Entry

“Identifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identifier. Accessed 22 Mar. 2025.

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