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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Stranger still is the fact that the STP-H10 experiments are unclassified. Abigail Bassett, ArsTechnica, 25 Apr. 2025 The report marked the second time Hegseth participated in group chats containing sensitive information on an unclassified messaging platform. Lauren Green, The Washington Examiner, 21 Apr. 2025 Bacon expressed concern that classified information was placed on an unclassified system and said the defense secretary should be held accountable. Hannah Parry, Newsweek, 25 Mar. 2025 The former official scoffed at the notion that the information Hegseth released was unclassified. Tom Vanden Brook, USA TODAY, 25 Mar. 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 7 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

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