unidentified

adjective

un·​iden·​ti·​fied ˌən-ī-ˈden-tə-ˌfīd How to pronounce unidentified (audio)
-ə-ˈden-
: not having a known or established identity : not identified
unidentified flying objects
an unidentified suspect

Examples of unidentified in a Sentence

an unidentified worker reported the security breach some unidentified person helped them and then left quietly
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 unidentified suspect and bus driver immediately got into an argument, during which the suspect pulled out a wrench and struck the MTA employee on the forehead. Nicholas Williams, New York Daily News, 1 June 2025 During a recorded phone call on May 9, which was being monitored by a correction officer, authorities said Arrington and an unidentified woman began talking about a woman believed to have cooperated with authorities, leading to his arrest on May 6. Justin Muszynski, Hartford Courant, 29 May 2025 According to police, a passenger on the jet ski remained on the scene, while the operator of the craft allegedly fled and then left with an unidentified male. Peter D'abrosca, FOXNews.com, 27 May 2025 Gunfire claimed two lives — of a 27-year-old man and an unidentified woman — early Monday. Mary Carole McCauley, Baltimore Sun, 26 May 2025 See All Example Sentences for unidentified

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of unidentified was in 1861

Cite this Entry

“Unidentified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unidentified. Accessed 6 Jun. 2025.

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