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 law expands the Colorado Privacy Act (CPA) by creating specific protections for biometric identifiers and biometric data. Alonzo Martinez, Forbes.com, 27 June 2025 Technical data about devices used to access our services, including device-specific details like operating system and device identifiers. PC Magazine, 20 June 2025 Parents spoke to mental health experts to find out the four biggest identifiers that your LGBTQ+ child feels supported at home. Taylor Grothe, Parents, 18 June 2025 The bill would also require officers to have their names or another identifier on their uniforms. Molly Gibbs, Sacbee.com, 17 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 1 Jul. 2025.

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