75 entries under unconcerned topic. ×

5
unimpressed(adjective, calm, quiet, cool, moderate)
5
unstirred(adjective, calm, restrained, peaceful)
4
carefree(adjective, calm, relaxed, indifferent)
4
untouched(adjective, calm, cool, restrained, steady)
3
aloof(adjective, calm, quiet, cool, moderate)
3
slow(adjective, calm, quiet, cool, smooth)
2
casual(adjective, calm, cool, relaxed, restrained)
2
leisurely(adjective, calm, untroubled, unflustered)
2
soft(adjective, calm, quiet, reasonable, easy)
2
unchanged(adjective, calm, restrained, subdued)
1
callous(adjective, calm, cool, indifferent, restrained)
1
cold fish(expression, adjective, calm, restrained)
1
contented(adjective, calm, quiet, relaxed, shy)
1
distant(adjective, indifferent, unsympathetic, inattentive)
1
easeful(adjective, calm, quiet, smooth, friendly)
1
easy-going(adjective, calm, quiet, smooth, restrained)
1
effortless(adjective, calm, quiet, cool, soft)
1
fluent(adjective, calm, quiet, soft, gentle)
1
hard-boiled(adjective, calm, dark, restrained, thoughtful)
1
hard-hearted(adjective, calm, indifferent, restrained)
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APASmart Define. (2015). unruffled thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unruffled/thesaurus/synonyms
ChicagoSmart Define. 2015. "unruffled thesaurus" https://smartdefine.org/unruffled/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unruffled thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unruffled/thesaurus/synonyms>.
MLASmart Define. "unruffled thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unruffled/thesaurus/synonyms>