RichThesaurus
frivolous
frivolous
synonyms
superficial
trivial
silly
trifling
flighty
giddy
petty
shallow
paltry
empty-headed
foolish
thoughtless
unimportant
featherbrained
insignificant
flippant
inane
whimsical
slight
dizzy
minor
light
harebrained
scatterbrained
lighthearted
irresponsible
pointless
worthless
playful
empty
capricious
inconsequential
facetious
fickle
inconsiderable
fatuous
nugatory
unstable
lightweight
skittish
reckless
negligible
unintelligent
sportive
stupid
meaningless
senseless
piddling
glib
puerile
more synonyms
frivolous
antonyms
serious
sensible
important
solemn
thoughtful
grave
deep
sober
staid
profound
steady
intelligent
wise
heavy
significant
sedate
somber
weighty
earnest
dignified
useful
reasonable
worthwhile
formal
careful
meaningful
no-nonsense
quiet
severe
penetrating
intense
rational
keen
serious-minded
mature
consequential
cold sober
acute
aware
effective
incisive
purposeful
starchy
responsible
slick
strong
impressive
respectful
productive
practical
more antonyms