91 entries under unruffled topic. ×

3
coolheaded(adjective, calm, quiet, cool, sound)
3
grave(adjective, calm, quiet, cool, reasonable)
3
practical(adjective, calm, sound, reasonable, sensible)
3
soft(adjective, calm, quiet, reasonable, moderate)
3
unworried(adjective, calm, tranquil, placid)
2
assured(adjective, calm, quiet, cool, solid)
2
casual(adjective, calm, cool, mild, relaxed)
2
earnest(adjective, calm, quiet, cool, reasonable)
2
phlegmatic(adjective, calm, quiet, cool, relaxed)
2
realistic(adjective, calm, sound, reasonable, sensible)
2
sensible(adjective, calm, sound, reasonable, moderate)
2
stolid(adjective, calm, quiet, cool, relaxed)
1
abnegating(adjective, calm, quiet, reasonable, sensible)
1
calmed(adjective, calm, relaxed, tranquil, easygoing)
1
clearheaded(adjective, calm, relaxed, tranquil, easygoing)
1
cold(adjective, calm, close, quiet, cool)
1
commonsensical(adjective, calm, reasonable, sensible, relaxed)
1
constrained(adjective, calm, quiet, reasonable, sensible)
1
cool as cucumber(expression, adjective, idiom, calm, quiet)
1
disciplined(adjective, calm, quiet, reasonable, sensible)
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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>