frivolous

[ friv-uh-luhs ]
/ ˈfrɪv ə ləs /

adjective

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 forms

Can be confused

frivolity frivolousness
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for frivolously

British Dictionary definitions for frivolously

frivolous

/ (ˈfrɪvələs) /

adjective

not serious or sensible in content, attitude, or behaviour; sillya frivolous remark
unworthy of serious or sensible treatment; unimportantfrivolous details

Derived Forms

frivolously, 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