Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Latin
Origin: frivolus

frivolous

adjective
     
friv‧o‧lous
1 not serious or sensible, especially in a way that is not suitable for a particular occasion:
The court discourages frivolous law suits.
2 a frivolous person likes having fun rather than doing serious or sensible things - used to show disapproval [≠ serious]
frivolously adverb

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