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.
To a tomcat being stroked in the crook of an unidentified elbow. Andrew Tobias, Vulture, 7 July 2025 The unidentified man and woman each was taken to nearby hospitals, OCSO said. Natalia Jaramillo, The Orlando Sentinel, 6 July 2025 An unidentified 16-year-old boy was pronounced dead at the scene and five other victims were transported to the hospital, police said. ABC News, 5 July 2025 A little more than an hour later, around 4:56 p.m., first responders rushed to the Broadway-Lafayette St. subway station, at W. Houston St., where an unidentified person was hit by a train. Nicholas Williams, New York Daily News, 3 July 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 11 Jul. 2025.

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