iden·​ti·​fi·​er ī-ˈden-tə-ˌfī(-ə)r How to pronounce identifier (audio)
: one that identifies

Examples of identifier in a Sentence

Recent Examples on the Web Patrick Krieger, vice president of sustainability with the Plastics Industry Association, told the Statesman the resin identifier symbol came about as a necessity to differentiate the codes from other information on plastic containers. Nicole Blanchard, Idaho Statesman, 5 June 2024 Threatt is also intentional about using the word ‘female’ over 'woman' as an identifier. Alexis Cubit, The Courier-Journal, 21 Mar. 2024 The organization depends on the accounts of witnesses or victims and their descriptions of identifiers such as badges or banners. Kenneth R. Rosen, Foreign Affairs, 22 May 2017 Under federal law, every gun in the U.S. must have a serial number — an identifier unique to the weapon's manufacturer that the ATF can use to trace it. Chris Hacker, CBS News, 16 May 2024 See all Example Sentences for identifier 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'identifier.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1807, in the meaning defined above

Time Traveler
The first known use of identifier was in 1807

Dictionary Entries Near identifier

Cite this Entry

“Identifier.” Dictionary, Merriam-Webster, Accessed 24 Jun. 2024.

More from Merriam-Webster on identifier

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