nonfrivolous

adjective

non·​friv·​o·​lous ˌnän-ˈfri-və-ləs How to pronounce nonfrivolous (audio)
: not lacking importance, seriousness, or a sound basis : not frivolous
a nonfrivolous lawsuit

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of nonfrivolous was in 1892

Dictionary Entries Near nonfrivolous

Cite this Entry

“Nonfrivolous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonfrivolous. Accessed 3 Dec. 2022.

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