146 entries under serene topic. ×

2
sensible(adjective, calm, sound, reasonable, moderate)
2
stoic(adjective, cool, cold, indifferent, blank)
2
stolid(adjective, calm, quiet, cool, relaxed)
1
all quiet(expression, calm, quiet, friendly)
1
amicable(adjective, calm, quiet, cool, smooth)
1
at peace(expression, adjective, calm, quiet, cool)
1
bloodless(calm, quiet, friendly)
1
callous(adjective, calm, cool, cold, indifferent)
1
calmed(adjective, calm, relaxed, tranquil, easygoing)
1
clearheaded(adjective, calm, relaxed, tranquil, easygoing)
1
cold(adjective, calm, close, quiet, cool)
1
cold-blooded(adjective, calm, cool, detached, blank)
1
commonsensical(adjective, calm, reasonable, sensible, relaxed)
1
constant(calm, quiet, pleasant, reasonable, friendly)
1
cool as cucumber(expression, adjective, idiom, calm, quiet)
1
disimpassioned(adjective, calm, cool, relaxed, steady)
1
emotionless(adjective, cool, cold, indifferent, blank)
1
free from strife(expression, idiom, calm, quiet, friendly)
1
friendly(calm, quiet)
1
halcyon(adjective, calm, quiet, cool, smooth)
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APASmart Define. (2015). collected thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/collected/thesaurus/synonyms
ChicagoSmart Define. 2015. "collected thesaurus" https://smartdefine.org/collected/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, collected thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/collected/thesaurus/synonyms>.
MLASmart Define. "collected thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/collected/thesaurus/synonyms>