11
unexcitable(adjective, calm, dull, quiet, easy)
10
abate(verb, stop, action, calm, control)
10
stony(adjective, mean, hard, unpleasant, cold)
10
arrogant(adjective, informal, cold, unfriendly, aloof)
10
dandy(adjective, good, great, pleasant, excellent)
10
deliberate(adjective, calm, sound, soft, reasonable)
10
doughty(adjective, person, strong, bold, courage)
10
excellent(adjective, characteristic, good, bad, great)
10
fantastic(adjective, good, great, excellent, superb)
10
freeze(verb, activity, restrain, halt, block)
10
half-hearted(adjective, temper, cold, indifferent, negative)
10
impertinent(adjective, smart, rude, restrained, mad)
10
inconsiderate(adjective, person, feelings, emotions, unwarmhearted)
10
insolent(adjective, mean, smart, rude, superior)
10
lessen(verb, activity, stop, calm, control)
10
listless(adjective, calm, dull, quiet, flat)
10
lit(adjective, characteristic, quality, excitement, slang)
10
misanthropic(adjective, person, close, quiet, cold)
10
plucky(adjective, person, strong, bold, courage)
10
quality(adjective, job, beautiful, very best kind, awesome)
10 years ago|79k views|share |citing 
APASmart Define. (2016). cool thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cool/thesaurus/synonyms
ChicagoSmart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, cool thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>.
MLASmart Define. "cool thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms>