ALL THE
OPPOSITES
Find the opposite of
OK
Opposite
>
Frivolous
Opposites of
frivolous
Antonyms for
frivolous
deep
earnest
grave
important
mature
pensive
practical
sensible
serious
sober
solemn
staid
thoughtful
unsmiling
Synonyms for
frivolous
There are 14 opposites of frivolous