110 entries under calm topic. ×

2
restrained(adjective, quiet, gentle, sensible)
2
self-possessed(adjective, sensible, relaxed, steady)
1
abstaining(adjective, sensible, dark, restrained)
1
at ease(expression, adjective, relaxed, tranquil)
1
calmed(adjective, relaxed, tranquil, easygoing)
1
clear-headed(adjective, sensible, dark, restrained)
1
clearheaded(adjective, relaxed, tranquil, easygoing)
1
cold(adjective, close, hard, tough)
1
cold sober(expression, adjective, set, cool)
1
commonsensical(adjective, relaxed, tranquil, easygoing)
1
cool as cucumber(expression, adjective, idiom, cool)
1
disciplined(adjective, sensible, restrained, alert)
1
disimpassioned(adjective, relaxed, tranquil, easygoing)
1
dispassionate(adjective, cool, relaxed, restrained)
1
down-to-earth(adjective, tough, plain, restrained)
1
easygoing(adjective, relaxed, tranquil, serene)
1
hard-boiled(adjective, strong, hard, tough)
1
inhibited(adjective, sensible, dark, restrained)
1
keeping a stiff upper lip(expression, adjective, idiom, relaxed)
1
levelheaded(adjective, reasonable, sensible, dark)
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APASmart Define. (2016). serious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/serious/thesaurus/synonyms
ChicagoSmart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, serious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>.
MLASmart Define. "serious thesaurus" 24 February 2016. Web. 28 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms>