unclassified

adjective

un·​clas·​si·​fied ˌən-ˈkla-sə-ˌfīd How to pronounce unclassified (audio)
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
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In March, a number of Trump’s cabinet officials used Signal, an unclassified commercial mobile app, to share and discuss classified details about an imminent U.S. strike on Houthi militants in Yemen. Kori Schake, Foreign Affairs, 24 June 2025 Further Inland Empire gains were recorded in the construction, hospitality, information technology, professional business services and public sectors, which expanded by a total 3,100 jobs, while miscellaneous unclassified industries added another 400, according to figures. City News Service, Oc Register, 20 June 2025 Within 30 days, the heads of agencies were required to modify any agency guidance or regulations that would bar the sharing of unclassified information. Hessie Jones, Forbes.com, 18 June 2025 Congress ordered the report, which spanned classified and unclassified documents and included new interviews, as part of a probe into the history of UFOs, now referred to as unidentified anomalous phenomena. Elizabeth Crisp, The Hill, 25 May 2025 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

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Cite this Entry

“Unclassified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unclassified. Accessed 1 Jul. 2025.

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

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