unserious

adjective

un·​se·​ri·​ous ˌən-ˈsir-ē-əs How to pronounce unserious (audio)
: not serious
unserious writers
unserious debates
… recognize the difference between serious and unserious warnings.Meg Greenfield
unseriously adverb
talking unseriously
unseriousness noun

Examples of unserious 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.
Karen, the literal rocket scientist in the Wilson family, is obviously Hen’s first choice, but her wife simply can’t reconcile her own serious science career with Tripp’s deeply unserious approach. Andy Swift, TVLine, 9 Oct. 2025 Ex-Protestant Americans tend to think of learnedness and faith as being at these complete cross purposes, to the point that somebody having a serious crisis of faith seems unserious. Lauren Michele Jackson, New Yorker, 5 Oct. 2025 Senate Majority Leader Chuck Schumer referred to an earlier video, also featuring Jeffries in a sombrero, as childish and evidence that the White House and the GOP were unserious about the shutdown. Ted Johnson, Deadline, 1 Oct. 2025 After the White House meeting, the president posted a cartoonish fake video mocking the Democratic leadership that was widely viewed as unserious and racist. Mary Clare Jalonick, Fortune, 1 Oct. 2025 See All Example Sentences for unserious

Word History

First Known Use

1655, in the meaning defined above

Time Traveler
The first known use of unserious was in 1655

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Cite this Entry

“Unserious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unserious. Accessed 16 Oct. 2025.

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