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 video ends with the image of two unidentified armed men. Veronica Calderon, CNN Money, 24 June 2025 Venus' killer fled the scene and was never found, but the subjects of I'm Your Venus uncover new details related to the murder that weren't publicized at the time of the performer's death — including a disturbing confession from an unidentified man previously jailed over a rape case. EW.com, 24 June 2025 The 25-year-old woman and her 11-month-old daughter were sitting on a southbound M train Friday around 11 a.m. when an unidentified man stomped up to them and sprayed the woman in the face and arm with something as the train approached the Court Square-23rd St. station, according to police. Roni Jacobson, New York Daily News, 20 June 2025 Police said the unidentified man fired his gun and officers returned fire. Lauren Penington, Denver Post, 19 June 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 8 Jul. 2025.

More from Merriam-Webster on unidentified

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