unclassified

adjective

un·​clas·​si·​fied ˌən-ˈkla-sə-ˌfīd How to pronounce unclassified (audio)
Synonyms of unclassifiednext
1
: not subject to a security classification
unclassified information
2
: not placed or belonging in a class

Examples of unclassified in a Sentence

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.
Federal prosecutors can prepare an unclassified summary of any classified information being used as evidence in the case. — Jeanine Santucci, USA Today, 31 July 2026 An ongoing military exercise happening hundreds of miles above Earth has—for the first time in an unclassified setting—demonstrated how future satellites might evade and pursue one another in a future conflict. — Stephen Clark, ArsTechnica, 30 July 2026 Zada’s husband was employed at Bagram Air Base in Afghanistan from 2009 through 2016, according to an unclassified declaration from Immigration and Customs Enforcement filed in support of the application for Zada’s removal. — Harriet Ramos, Fort Worth Star-Telegram, 30 July 2026 Unlike traditional immigration proceedings, the court allows judges to review classified evidence in closed proceedings, while providing the respondent only an unclassified summary of the allegations. — Kaelan Deese, The Washington Examiner, 30 July 2026 See All Example Sentences for unclassified

Word History

First Known Use

1815, in the meaning defined at sense 2

Time Traveler
The first known use of unclassified was in 1815

Rhymes for unclassified

See All Rhymes for unclassified

Browse Nearby Words

unclassifiable
unclassified
uncle
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Cite this Entry

“Unclassified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unclassified. Accessed 5 Aug. 2026.

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Kids Definition

unclassified

adjective
un·​clas·​si·​fied ˌən-ˈklas-ə-ˌfīd How to pronounce unclassified (audio)
: not classified
especially : not requiring special treatment for purposes of security
unclassified documents

More from Merriam-Webster on unclassified

Thesaurus: All synonyms and antonyms for unclassified

Nglish: Translation of unclassified for Spanish Speakers

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