130 entries under cool topic. ×

5
unperturbed(adjective, calm, quiet, easy)
4
alleviate(verb, calm, quiet, help, reduce)
4
casual(adjective, calm, pleasant, easy)
4
collected(adjective, calm, quiet, easy)
4
dispassionate(adjective, calm, quiet, relaxed)
4
impassive(adjective, calm, quiet, relaxed)
4
iron out(verb, expression, phrasal verb, press)
4
offhand(adjective, calm, easy, relaxed)
4
slow(adjective, calm, quiet, light)
4
temperate(adjective, calm, quiet, light)
3
comfort(verb, calm, quiet, help, reduce)
3
fashionable(adjective, bad, fine, smart)
3
imperturbable(adjective, calm, quiet, relaxed)
3
insouciant(adjective, calm, relaxed, detached)
3
pat(verb, adjective, meet, touch)
3
pave the way(verb, expression, idiom, phrasal verb)
3
relaxed(adjective, calm, quiet, light)
3
sedate(adjective, calm, quiet, easy)
3
wicked(adjective, bad, smart, practical)
2
admirable(adjective, bad, fine, smart)
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APASmart Define. (2015). smooth thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/smooth/thesaurus/synonyms
ChicagoSmart Define. 2015. "smooth thesaurus" https://smartdefine.org/smooth/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, smooth thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/smooth/thesaurus/synonyms>.
MLASmart Define. "smooth thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/smooth/thesaurus/synonyms>