186 entries under restrained topic. ×

9
tepid(adjective, calm, weak, smooth, pleasant)
8
offhand(adjective, calm, informal, careless, relaxed)
8
reticent(adjective, calm, quiet, reasonable, attitude)
8
sensible(adjective, calm, good, sound, smooth)
8
solitary(adjective, attitude, extraordinary, unusual, cold)
8
thick-skinned(adjective, calm, indifferent, steady)
8
undemonstrative(adjective, calm, dull, quiet, reasonable)
7
offish(adjective, quiet, attitude, cold, indifferent)
7
practical(adjective, calm, sound, reasonable, smart)
7
soft(adjective, calm, quiet, weak, smooth)
7
unimpassioned(adjective, calm, reasonable, moderate)
6
balanced(adjective, calm, sound, soft, reasonable)
6
levelheaded(adjective, calm, good, quiet, sound)
6
sound(verb, adjective, upset, calm, good)
6
unimpressed(adjective, calm, quiet, indifferent)
6
untouched(adjective, calm, mean, hard, cold)
5
annoyed(adjective, state, indifferent, unfriendly)
5
bland(adjective, calm, quiet, weak, smooth)
5
discreet(adjective, calm, quiet, understanding, kind)
5
hard-hearted(adjective, calm, indifferent, detached)
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APASmart Define. (2016). cool thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cool/thesaurus/synonyms
ChicagoSmart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cool thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>.
MLASmart Define. "cool thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms>