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.
Marcy did the legwork, and within 30 minutes an unidentified New York number showed up on my phone screen. Gordon G. Chang, MSNBC Newsweek, 17 Sep. 2025 An unidentified woman was found dead in a tote bin in the middle of a Missouri street, authorities say. Mike Stunson, Kansas City Star, 16 Sep. 2025 The unidentified home invaders stole his phone; computers; a hard disk holding his past movies; awards, including his Golden Leopard, and shooting equipment, which was being rented, as well as personal papers and bank cards. Melanie Goodfellow, Deadline, 16 Sep. 2025 At the time of April’s Chapter 11 filing, PCH listed 10 unidentified prize winners among its creditors with the largest unsecured claims — totaling millions of dollars, court documents show. Dave Smith, Fortune, 16 Sep. 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 20 Sep. 2025.

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