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.
While UFOs are typically associated with aliens, Baker insists officials are required to look into unidentified objects in the interest of national security. Julia Bonavita, FOXNews.com, 13 Apr. 2025 The pilot weaved together two timelines with that 1996 crash and the present-day survivors, played by a beloved cast, and there was a killer flash-forward opening of an unidentified girl running for her life, barefoot through snow, who is then impaled and eaten by her friends. Jackie Strause, HollywoodReporter, 11 Apr. 2025 The term 'scramble' refers to the emergency dispatch of aircraft against unidentified aircraft. David Faris, MSNBC Newsweek, 11 Apr. 2025 At the station, he’s questioned by Detective Chief Inspector Kano (James Nelson Joyce) and psychologist Jen Minter (Michele Austin) about an unidentified body that turned up inside a suitcase. Ben Rosenstock, Vulture, 10 Apr. 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 Apr. 2025.

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