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.
What To Know The March 2024 incident involved data from roughly 73 million current and former AT&T account holders, including sensitive identifiers such as names, dates of birth and Social Security numbers. Theo Burman, MSNBC Newsweek, 15 Aug. 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, 15 Aug. 2025 To be clear: While all these details below come from identifiers and documentation located in Apple’s own software code, Apple has not actually announced any of these products, so specifications, features, and timelines can change before release. Dave Smith, Fortune, 14 Aug. 2025 The agents, who were wearing law enforcement identifiers, had intelligence that the target lived at a home in Escondido and drove a white pickup, the complaint says. Caleb Lunetta, San Diego Union-Tribune, 13 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 19 Aug. 2025.

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