Synonyms|532Antonyms|140|Broader|7Narrower|0Related|215

363 entries under adjective topic. ×

3
disciplined(calm, sensible, dark, restrained)
3
easy(calm, cool, relaxed, still)
3
emotionless(cool, unfriendly, blank, aloof)
3
enduring(calm, quiet, cool, gentle)
3
inscrutable(quiet, cool, moderate, gentle)
3
laid-back(calm, quiet, cool, moderate)
3
mild(calm, quiet, cool, gentle)
3
passionless(cool, unfriendly, blank, aloof)
3
rational(calm, sensible, dark, restrained)
3
realistic(calm, sensible, dark, restrained)
3
relaxed(calm, quiet, cool, moderate)
3
reliable(firm, sensible, solid, steady)
3
restrained(calm, sensible, alert, subdued)
3
self-satisfied(calm, cool, collected, unflappable)
3
sensible(calm, firm, solid, relaxed)
3
serious(calm, cool, sensible, dark)
3
solemn(calm, cool, sensible, dark)
3
solid(firm, certain, stable, fixed)
3
sound(calm, firm, sensible, solid)
3
together(calm, quiet, relaxed, casual)
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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>