170 entries under cool topic. ×

1
motionless(adjective, quiet, indifferent, still)
1
neutral(adjective, calm, dull, quiet)
1
perfunctory(adjective, informal, relaxed, indifferent)
1
pleased(adjective, quiet, moderate, gentle)
1
pococurante(adjective, informal, relaxed, easygoing)
1
poised(adjective, calm, quiet, smooth)
1
practical(adjective, calm, smooth, restrained)
1
quiescent(adjective, calm, quiet, indifferent)
1
refined(adjective, smooth, practical, mature)
1
reserved(adjective, calm, indifferent, restrained)
1
restful(adjective, quiet, moderate, easy)
1
retiring(calm, quiet, reasonable, mild)
1
self-possessed(adjective, calm, quiet, moderate)
1
slow(adjective, calm, dull, quiet)
1
smooth(adjective, calm, quiet, relaxed)
1
sophisticated(indifferent, cultured, nonchalant, urbane)
1
staid(adjective, calm, indifferent, restrained)
1
steady(adjective, calm, quiet, reasonable)
1
still(adjective, calm, quiet, smooth)
1
streetwise(adjective, refined, practical, mature)
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APASmart Define. (2015). laid-back thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/laid-back/thesaurus/synonyms
ChicagoSmart Define. 2015. "laid-back thesaurus" https://smartdefine.org/laid-back/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, laid-back thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/laid-back/thesaurus/synonyms>.
MLASmart Define. "laid-back thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/laid-back/thesaurus/synonyms>