unidentified

adjective

un·​iden·​ti·​fied ˌən-ī-ˈden-tə-ˌfīd How to pronounce unidentified (audio)
-ə-ˈden-
Synonyms of unidentifiednext
: 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.
Police released images and a brief video of the suspect, who remains unidentified. Anders Hagstrom, FOXNews.com, 17 Dec. 2025 Masked, unidentified men snatched their victims off the streets, often in broad daylight. Foreign Affairs, 16 Dec. 2025 These unidentified warriors had planned this maritime mission a considerable distance away. Maria Mocerino, Interesting Engineering, 15 Dec. 2025 Deputies and Miami-Dade Fire Rescue responded and determined the unidentified woman was dead. Devoun Cetoute, Miami Herald, 13 Dec. 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 19 Dec. 2025.

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