635 entries under adjective topic. ×

8
reposeful(quiet, cool, smooth, mild)
8
soft(calm, quiet, light, kind)
8
unexcited(calm, quiet, cool, reasonable)
7
blithe(feature, state, care, indifferent)
7
devil-may-care(feature, state, care, mild)
7
fair(calm, clear, still, detached)
7
free and easy(expression, idiom, feature, state)
7
laid-back(feature, state, calm, quiet)
7
passive(quiet, gentle, humble, subdued)
7
staid(calm, quiet, cool, reasonable)
7
stoical(calm, quiet, cool, gentle)
6
airy(feature, state, calm, cool)
6
carefree(feature, state, calm, quiet)
6
comfy(characteristic, calm, quiet, quality)
6
idyllic
6
level(calm, quiet, smooth, soft)
6
light(feature, state, calm, quiet)
6
meek(calm, quiet, kind, smooth)
6
pastoral(calm, quiet, cool, smooth)
6
philosophical(calm, quiet, gentle, relaxed)
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APASmart Define. (2015). serene thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/serene/thesaurus/synonyms>