383 entries under calm topic. ×

4
easeful(adjective, quiet, light, smooth)
4
equanimous(cool, unflappable)
4
friendly(adjective, quiet, peaceful, easygoing)
4
grave(adjective, quiet, cool, reasonable)
4
hushed(adjective, quiet, cool, smooth)
4
inert(adjective, quiet, smooth, tranquil)
4
laid back(verb, expression, adjective, phrasal verb, feature)
4
lenient(adjective, quiet, kind, soft)
4
merciful(adjective, kind, soft, moderate)
4
neutral(adjective, quiet, cool, smooth)
4
noiseless(adjective, quiet, smooth, tranquil)
4
reconciled(verb, adjective, peaceful, tranquil)
4
sensible(adjective, happy, firm, solid)
4
serious(adjective, cool, sensible, relaxed)
4
stolid(adjective, quiet, cool, relaxed)
4
together(adjective, quiet, cool, relaxed)
4
undemanding(adjective, feature, state, quiet)
3
calmed(adjective, happy, relaxed, welcome)
3
flat(adjective, quiet, kind, smooth)
3
forbearing(adjective, quiet, kind, smooth)
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APASmart Define. (2015). serene thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/serene/thesaurus/synonyms>