iden·​ti·​fi·​er | \ ī-ˈden-tə-ˌfī(-ə)r How to pronounce identifier (audio) , ə- \

Definition of identifier

: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web The deaf cast and crew even gave Heder a sign name, a unique identifier assigned to members of the deaf community., 4 Aug. 2021 Thanks to this, even veteran identifier Wilks and her team sometimes look to the newbie ID-ers for help. Fawnia Soo Hoo,, 24 Aug. 2021 There will be even more changes in 2021, such as Apple’s identifier for advertisers (IDFA) policy, enabling users to opt-out of app tracking to take back control over their online experience. Yec, Forbes, 7 July 2021 There are safeguards in place: To stop your tags being used as a permanent tracking tool by stalkers, the Bluetooth identifier swaps itself around every few minutes. Kate O'flaherty, Forbes, 22 May 2021 On the side, New Era included a geographic identifier for each team. Bill Shaikin, Los Angeles Times, 14 June 2021 Often, a more apt identifier than Latino is Tejano., 29 May 2021 The donor identification, organ and recipient’s unique identifier must also be verified. Julie Washington, cleveland, 13 July 2021 Since floating fleet operators switch out aircraft, and catering is delivered with the tail number of the aircraft as the key identifier, there is always a chance for mistakes. Doug Gollan, Forbes, 5 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'identifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of identifier

1807, in the meaning defined above

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The first known use of identifier was in 1807

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Last Updated

12 Sep 2021

Cite this Entry

“Identifier.” Dictionary, Merriam-Webster, Accessed 17 Sep. 2021.

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More from Merriam-Webster on identifier

Nglish: Translation of identifier for Spanish Speakers


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