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.
Breakthrough from genetic genealogy In 2025, the case was reopened using investigative genetic genealogy, a method that combines DNA analysis and family tree research to help identify unidentified individuals, the Albuquerque Police Department reported. Anthony Thompson, USA Today, 3 May 2026 All crew on the unidentified northbound cargo ship were safe after the attack off Sirik, Iran, east of the strait, the British monitor said. Adam Schreck, Fortune, 3 May 2026 On Friday, May 1, the 33-year-old 13 Reasons Why actress shared an Instagram carousel filled with photos and video of an unidentified man sitting beside her, texting people on his phone to express his disdain for sitting near a trans person in first class. Angel Saunders, PEOPLE, 2 May 2026 The 4-year-old eventually could be seen getting up and walking away, while Berrios-Otero continues to allegedly rub the unidentified child, the warrant affidavits said. Justin Muszynski, Hartford Courant, 2 May 2026 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 5 May. 2026.

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