Definition: of no real worth
Part of Speech: Adjective
Synonym(s): unimportant, negligible
Antonym(s): valuable, essential
1. Even though my mother is on a strict budget, she insists on purchasing frivolous items she doesn’t need.
2. Because I knew Heather meant to offend me, her frivolous apology didn't phase me.
3. After making a fortune, the man engaged in so much frivolous spending he died penniless.