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

Synonyms of unidentified

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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.
Fagan, Johnson and an unidentified man entered the apartment building and used the Bethune’s keys to get inside the apartment, authorities say. — Milena Malaver, Miami Herald, 23 Oct. 2026 Eugene Horsch and an unidentified woman were arrested days prior to the search, and authorities said Horsch possessed a pair of guns and a fake DEA badge. — Frederick Sutton Sinclair, CBS News, 22 Oct. 2026 His defense has pointed out that his client’s fingerprints were found neither on the truck used in the heist nor in the parking lot where the robbers allegedly handed the jewels to an unidentified individual. — Tessa Solomon, ARTnews.com, 22 Oct. 2026 Dogen wrote of an ostensibly genuine but unidentified couple living in New York City with two kids on combined incomes of $500,000. — Business Columnist, Los Angeles Times, 20 Oct. 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

Phrases Containing unidentified

Rhymes for unidentified

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Browse Nearby Words

unidentifiable
unidentified
unidentified aerial phenomenon
See all Nearby Words

Cite this Entry

“Unidentified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unidentified. Accessed 27 Oct. 2026.

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