128 entries under unruffled topic. ×

8
soft(adjective, calm, quiet, light, kind)
8
unexcited(adjective, calm, quiet, cool, reasonable)
7
staid(adjective, calm, quiet, cool, reasonable)
6
carefree(adjective, feature, state, calm, quiet)
6
comfy(adjective, characteristic, calm, quiet, quality)
6
light(adjective, feature, state, calm, quiet)
6
philosophical(adjective, calm, quiet, gentle, relaxed)
6
reserved(adjective, calm, close, quiet, cool)
6
unconcerned(adjective, feature, state, calm, quiet)
6
unemotional(adjective, calm, quiet, cool, moderate)
6
unhurried(adjective, feature, state, calm, quiet)
5
at ease(expression, adjective, calm, quiet, light)
5
languid(adjective, feature, state, calm, quiet)
5
lucid(adjective, calm, quiet, reasonable, sensible)
5
snug(adjective, calm, quiet, light, secure)
5
solemn(adjective, calm, quiet, cool, reasonable)
4
contented(adjective, feature, state, calm, quiet)
4
coolheaded(adjective, calm, quiet, relaxed, casual)
4
deliberate(adjective, calm, quiet, cool, relaxed)
4
easeful(adjective, calm, quiet, light, smooth)
11 years ago|30k views|share |citing 
APASmart Define. (2015). serene thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/serene/thesaurus/synonyms
ChicagoSmart Define. 2015. "serene thesaurus" https://smartdefine.org/serene/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, serene thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/serene/thesaurus/synonyms>.
MLASmart Define. "serene thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/serene/thesaurus/synonyms>