148 entries under serene topic. ×

2
stoic(adjective, cool, blank, aloof, unemotional)
1
all quiet(expression, calm, quiet, friendly)
1
amicable(adjective, calm, quiet, cool, smooth)
1
bloodless(calm, quiet, friendly)
1
callous(adjective, calm, cool, indifferent, restrained)
1
calmed(adjective, calm, relaxed, tranquil, easygoing)
1
clearheaded(adjective, calm, relaxed, tranquil, easygoing)
1
cold(adjective, calm, cool, dark, relaxed)
1
cold-blooded(adjective, calm, cool, detached, blank)
1
commonsensical(adjective, calm, relaxed, restrained, tranquil)
1
contented(adjective, calm, quiet, relaxed, shy)
1
cool as cucumber(expression, adjective, idiom, calm, quiet)
1
disimpassioned(adjective, calm, cool, relaxed, steady)
1
easeful(adjective, calm, quiet, smooth, friendly)
1
free from strife(expression, idiom, calm, quiet, friendly)
1
friendly(calm, quiet)
1
hardened(adjective, cool, indifferent, blank, aloof)
1
harmonious(adjective, calm, quiet, cool, smooth)
1
heartless(adjective, cool, blank, aloof, unemotional)
1
indurated(adjective, cool, blank, aloof, unemotional)
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APASmart Define. (2015). unruffled thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unruffled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unruffled thesaurus" https://smartdefine.org/unruffled/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unruffled thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unruffled/thesaurus/synonyms>.
MLASmart Define. "unruffled thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/unruffled/thesaurus/synonyms>