12
level-headed(adjective, calm, sound, tough, reasonable)
12
mild(adjective, feature, state, calm, dull)
12
restrain(verb, stop, hold, calm, control)
12
sang-froid(noun, calm, temper, feelings, balance)
12
still(verb, adjective, calm, order, quiet)
12
superior(adjective, characteristic, good, great, pleasant)
12
unafraid(adjective, person, strong, tough, bold)
12
unapproachable(adjective, attitude, cold, indifferent, hot)
12
unkind(adjective, person, mean, hard, unpleasant)
11
withdrawn(adjective, calm, quiet, attitude, mild)
11
casual(adjective, feature, state, calm, informal)
11
divine(adjective, good, great, excellent, fine)
11
easy(adjective, feature, state, calm, quiet)
11
equable(adjective, calm, quiet, sound, soft)
11
pacify(verb, calm, control, order, dull)
11
rational(adjective, calm, good, sound, reasonable)
11
reduce(verb, activity, stop, calm, control)
11
sensational(adjective, good, great, excellent, fine)
11
stoical(adjective, calm, cold, indifferent, restrained)
11
superb(adjective, good, great, excellent, fine)
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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>