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frivolous

friv·o·lous

frivolous

 
 
pronunciation:
frI v ls
part of speech: adjective
definition 1: unworthy of serious consideration or merit; trivial or silly.
His father had worked hard for a living and could not tolerate his son engaging in frivolous pursuits.The committee rejected the recommendation as frivolous.Spending all that money on a pair of shoes seemed a bit frivolous to her mother.
antonyms:
serious, solemn
similar words:
flighty, silly, trifling
definition 2: inclined to lack seriousness or to show undue levity.
Because she was rich and carefree, we assumed she was a frivolous person.
antonyms:
earnest, serious, sober, staid
similar words:
flighty, giddy, idle, silly
derivations: frivolously (adv.), frivolousness (n.)