236 entries under indifferent topic. ×

16
unperturbed(adjective, calm, quiet, sound, easy)
15
callous(adjective, calm, mean, hard, unpleasant)
15
unenthusiastic(adjective, calm, dull, enthusiastic)
14
easygoing(adjective, feature, state, calm, quiet)
14
emotionless(adjective, calm, dull, flat, cold)
14
hard(adjective, person, mean, unpleasant, cold)
13
stolid(adjective, calm, quiet, casual)
12
insensitive(adjective, mean, hard, temper, unpleasant)
12
lackadaisical(adjective, calm, temper, relaxed, cold)
12
superior(adjective, characteristic, good, great, pleasant)
12
unapproachable(adjective, attitude, cold, hot)
12
unkind(adjective, person, mean, hard, unpleasant)
11
withdrawn(adjective, calm, quiet, attitude, mild)
11
casual(adjective, feature, state, calm, informal)
11
easy(adjective, feature, state, calm, quiet)
11
stoical(adjective, calm, cold, restrained)
10
stony(adjective, mean, hard, unpleasant, cold)
10
half-hearted(adjective, temper, cold, negative)
10
listless(adjective, calm, dull, quiet, flat)
10
staid(adjective, calm, set, firm, sensible)
10 years ago|79k views|share |citing 
APASmart Define. (2016). cool thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cool/thesaurus/synonyms
ChicagoSmart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, cool thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>.
MLASmart Define. "cool thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms>