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.
The team has identified a new unique identifier in some of the Apple Intelligence code that refers to a Mac17,1, and has confirmed that this corresponds to a MacBook running the A18 Pro chipset. Ewan Spence, Forbes.com, 5 July 2025 The malware then decrypts a configuration file from a remote server and begins uploading images, device metadata, and identifiers. Kurt Knutsson, FOXNews.com, 1 July 2025 The bill would also require officers to be identifiable by their uniforms, whether by name or another identifier. Austin Hornbostel, Nashville Tennessean, 1 July 2025 As part of Google's mobile network security features, Android phones will be able to detect when a network requests a unique identifier or attempts to force an unencrypted connection. ArsTechnica, 27 June 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 14 Jul. 2025.

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