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.
Start with the few labels that actually change what happens to a document—retention, access and redaction—and let everything else stay unclassified. — Expert Panel®, Forbes.com, 5 Oct. 2026 Court documents list the charges against Ostendorf as unclassified misdemeanors. — River Valley Democrat-Gazette, Arkansas Online, 9 Sep. 2026 In late 2016, for example, the President’s Council of Advisors on Science and Technology issued the first thorough, unclassified warning about the potential national security risks posed by biotechnology. — Elizabeth Sherwood-Randall, Foreign Affairs, 18 Aug. 2026 When the Berkeley Lab opened its supercomputing center inside the building, the site accommodated an IBM device that at the time was the world’s most powerful unclassified supercomputer. — George Avalos, Mercury News, 14 Aug. 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

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Cite this Entry

“Unclassified.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unclassified. Accessed 9 Oct. 2026.

Kids Definition

unclassified

adjective
: not classified
especially : not requiring special treatment for purposes of security
unclassified documents

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