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 defense secretary also used Signal to coordinate media appearance, plan foreign travel, manage his schedule and discuss other unclassified but sensitive issues, the report said. Sonam Sheth gabe Whisnant, MSNBC Newsweek, 5 May 2025 He's now put classified information an unclassified chain, and he's put on our nation's national security at risk. CBS News, 4 May 2025 The Atlantic responded by publishing the entire text thread, prompting retired and current military officers to question how that information could be considered unclassified. Kevin Breuninger, CNBC, 1 May 2025 Stranger still is the fact that the STP-H10 experiments are unclassified. Abigail Bassett, ArsTechnica, 25 Apr. 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 18 May. 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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