363 entries under adjective topic. ×

1
clear-headed(calm, sensible, dark, restrained)
1
clearheaded(calm, relaxed, tranquil, easygoing)
1
cold-fish(calm, detached, sober, unfeeling)
1
cold-hearted(cold, unfeeling, unsympathetic, pitiless)
1
commonsensical(calm, relaxed, restrained, tranquil)
1
constant(calm, smooth, firm, sensible)
1
constrained(calm, sensible, dark, restrained)
1
cool as cucumber(expression, idiom, calm, quiet)
1
cool cat(expression, calm, detached, sober)
1
disimpassioned(calm, cool, relaxed, steady)
1
disinterested(calm, quiet, cool, moderate)
1
distant(cool, unfriendly, aloof, unemotional)
1
down-to-earth(calm, sensible, dark, restrained)
1
drab(calm, sensible, dark, restrained)
1
dry(calm, cool, blank, aloof)
1
earnest(calm, cool, sensible, dark)
1
easy-going(calm, quiet, smooth, gentle)
1
eschewing(calm, sensible, dark, restrained)
1
fair(calm, still, detached, sober)
1
forbearing(calm, quiet, gentle, restrained)
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APASmart Define. (2015). imperturbable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imperturbable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>.
MLASmart Define. "imperturbable thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms>