characterized by lack of seriousness or sense: frivolous conduct.
self-indulgently carefree; unconcerned about or lacking any serious purpose.
(of a person) given to trifling or undue levity: a frivolous, empty-headed person.
of little or no weight, worth, or importance; not worthy of serious notice: a frivolous suggestion.

Origin of frivolous

1425–75; late Middle English < Latin frīvolus worthless, trifling; see -ous
Related formsfriv·o·lous·ly, adverbfriv·o·lous·ness, nounun·friv·o·lous, adjectiveun·friv·o·lous·ly, adverbun·friv·o·lous·ness, noun
Can be confusedfrivolity frivolousness

Synonyms for frivolous

Antonyms for frivolous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for frivolous

Contemporary Examples of frivolous

Historical Examples of frivolous

British Dictionary definitions for frivolous



not serious or sensible in content, attitude, or behaviour; sillya frivolous remark
unworthy of serious or sensible treatment; unimportantfrivolous details
Derived Formsfrivolously, adverbfrivolousness or frivolity (frɪˈvɒlɪtɪ), noun

Word Origin for frivolous

C15: from Latin frīvolus silly, worthless
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for frivolous

mid-15c., from Latin frivolus "silly, empty, trifling, worthless, brittle," diminutive of *frivos "broken, crumbled," from friare "break, rub away, crumble." Related: Frivolously; frivolousness.

Online Etymology Dictionary, © 2010 Douglas Harper