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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The measure would require the release of unclassified files the government has related to Epstein. Leila Fadel, NPR, 2 Sep. 2025 The case has since transitioned from a missing juvenile investigation to an unclassified death investigation. Julia Gomez, USA Today, 28 Aug. 2025 Officials believed the unclassified emails transcribed information from classified material, triggering the new phase of the investigation. Gabe Whisnant, MSNBC Newsweek, 27 Aug. 2025 Many of the spaceplane's payloads have been classified, but officials typically identify a handful of unclassified experiments flying on each X-37B mission. Stephen Clark, ArsTechnica, 22 Aug. 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 10 Sep. 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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