RichThesaurus
serious-minded
serious-minded
synonyms
sober
sensible
levelheaded
thoughtful
steady
down-to-earth
serious
commonsensical
sound
full of common sense
rational
staid
balanced
pragmatic
responsible
realistic
reasonable
sedate
practical
solemn
earnest
logical
grave
no-nonsense
businesslike
imperturbable
mature
calm
somber
demure
humorless
severe
hardheaded
stuffy
prim
serene
mundane
intense
stick-in-the-mud
dependable
settled
unidealistic
stiff
wise
unromantic
boring
proper
reliable
prudent
starchy
more synonyms
serious-minded
antonyms
frivolous
lighthearted
foolish
unfaithful
wild
untrustworthy
idealistic
daring
immature
impulsive
informal
jovial
dreamy
flighty
apathetic
airy-fairy
imbalanced
exciting