adj.
Pronunciation: ' fri-v ə -l ə s
Function: adjective
Etymology: Middle English, from Latin frivolus
Date: 15th century
1 a : of little weight or importance b : having no sound basis (as in fact or law) <a frivolous lawsuit>
2 a : lacking in seriousness b : marked by unbecoming levity
– friv · o · lous · ly adverb
– friv · o · lous · ness noun