nonfrivolous
adjective
non·friv·o·lous
ˌnän-ˈfri-və-ləs 
: not lacking importance, seriousness, or a sound basis : not frivolous
a nonfrivolous lawsuit
Cite this Entry
“Nonfrivolous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonfrivolous. Accessed 29 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share