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 installation also functions as a multi-act musical score that will be collaboratively interpreted by the artist and an as-yet unidentified regional composer, according to a museum news release. Eric E. Harrison, Arkansas Online, 30 July 2025 The search is ongoing for the unidentified baby’s parents, and police have asked that neighbors review their surveillance footage, according to WOFL. Sam Gillette, People.com, 30 July 2025 The unidentified suspect was tracked to a house in the North Jersey city around 11 a.m., NJ.com reported. Joseph Wilkinson, New York Daily News, 29 July 2025 Both unidentified hikers survived the attacks in separate parts of the municipality of Anchorage, a sprawling urban-wildlife interface that spreads across 1,961 square miles (5,079 square kilometers), an area slightly larger than the state of Rhode Island. Mark Thiessen, Chicago Tribune, 29 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 6 Aug. 2025.

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