363 entries under adjective topic. ×

1
lenient(calm, quiet, gentle, restrained)
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listless(calm, quiet, cool, moderate)
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long-suffering(calm, quiet, cool, gentle)
1
low-key(calm, quiet, cool, sensible)
1
lucid(calm, sensible, dark, restrained)
1
lukewarm(calm, cool, relaxed, restrained)
1
matter-of-fact(calm, cool, cold, cruel)
1
merciless(cold, cruel, unfeeling, unsympathetic)
1
mild-tempered(calm, quiet, gentle, restrained)
1
motionless(quiet, cool, still, peaceful)
1
no-nonsense(calm, cool, sensible, dark)
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nondiscriminatory(calm, detached, sober, unfeeling)
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nonpartisan(calm, detached, sober, unfeeling)
1
not turn a hair(expression, idiom, calm, relaxed)
1
objective(calm, detached, sober, unfeeling)
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offhand(calm, cool, relaxed, casual)
1
pastoral(quiet, cool, still, peaceful)
1
peaceable
1
philosophic(calm, quiet, cool, gentle)
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plain(calm, sensible, dark, restrained)
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APASmart Define. (2015). imperturbable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/imperturbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imperturbable thesaurus" https://smartdefine.org/imperturbable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, imperturbable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/imperturbable/thesaurus/synonyms>.
MLASmart Define. "imperturbable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/imperturbable/thesaurus/synonyms>