146 entries under serene topic. ×

9
sober(adjective, calm, dull, quiet, cool)
9
still(adjective, calm, quiet, cool, smooth)
9
unexcited(adjective, calm, quiet, cool, reasonable)
8
self-contained(adjective, close, quiet, cool, gentle)
7
easy(adjective, calm, quiet, cool, relaxed)
7
equable(adjective, calm, quiet, cool, smooth)
7
unmoved(adjective, calm, quiet, cool, moderate)
6
levelheaded(adjective, calm, quiet, cool, sound)
6
relaxed(adjective, calm, quiet, cool, moderate)
6
unconcerned(adjective, calm, quiet, cool, moderate)
6
unemotional(adjective, calm, quiet, cool, moderate)
5
at ease(expression, adjective, calm, quiet, easy)
5
deliberate(adjective, calm, quiet, cool, sound)
5
moderate(adjective, calm, quiet, cool, reasonable)
5
staid(adjective, calm, quiet, set, cool)
5
temperate(adjective, calm, quiet, cool, reasonable)
5
together(adjective, calm, sound, reasonable, sensible)
5
unexcitable(adjective, calm, quiet, cool, moderate)
4
aloof(adjective, calm, quiet, cool, moderate)
4
indifferent(adjective, calm, cool, relaxed, cold)
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APASmart Define. (2015). collected thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/collected/thesaurus/synonyms
ChicagoSmart Define. 2015. "collected thesaurus" https://smartdefine.org/collected/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, collected thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/collected/thesaurus/synonyms>.
MLASmart Define. "collected thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/collected/thesaurus/synonyms>