un·​friv·​o·​lous ˌən-ˈfri-və-ləs How to pronounce unfrivolous (audio)
: not frivolous : having real seriousness or importance
an unfrivolous objection
the unfrivolous matter of the national budget

Word History

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of unfrivolous was in 1840

Dictionary Entries Near unfrivolous

Cite this Entry

“Unfrivolous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfrivolous. Accessed 8 Dec. 2023.

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