100 entries under cool topic. ×

1
mundane(adjective, indifferent, sophisticated, apathetic)
1
offended(adjective, indifferent, restrained, unfriendly)
1
offish(adjective, indifferent, restrained, unfriendly)
1
placid(adjective, calm, mild, relaxed)
1
procacious(adjective, indifferent, restrained, unfriendly)
1
purposeless(informal, careless, casual, easygoing)
1
satiated(adjective, indifferent, sophisticated, apathetic)
1
serene(adjective, calm, mild, relaxed)
1
sick of(expression, adjective, indifferent, sophisticated)
1
sophisticate(adjective, indifferent, sophisticated, apathetic)
1
sophisticated(adjective, indifferent, apathetic, nonchalant)
1
surfeited(adjective, indifferent, sophisticated, apathetic)
1
unapproachable(adjective, indifferent, restrained, unfriendly)
1
uncommunicative(adjective, indifferent, restrained, unfriendly)
1
undemonstrative(adjective, indifferent, restrained, reserved)
1
unemotional(adjective, calm, relaxed, restrained)
1
unenthusiastic(adjective, indifferent, restrained, unfriendly)
1
unexcited(adjective, calm, relaxed, indifferent)
1
unflappable(adjective, calm, relaxed, casual)
1
unfussy(adjective, informal, casual, easygoing)
10 years ago|9.5k views|share |citing 
APASmart Define. (2016). offhand thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/offhand/thesaurus/synonyms
ChicagoSmart Define. 2016. "offhand thesaurus" https://smartdefine.org/offhand/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, offhand thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/offhand/thesaurus/synonyms>.
MLASmart Define. "offhand thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/offhand/thesaurus/synonyms>