95 entries under restrained topic. ×

1
lenient(adjective, calm, quiet, gentle)
1
long-suffering(adjective, calm, quiet, cool, gentle)
1
low-key(adjective, calm, quiet, cool, sensible)
1
lucid(adjective, calm, sensible, dark)
1
lukewarm(adjective, calm, cool, relaxed)
1
mild-tempered(adjective, calm, quiet, gentle)
1
no-nonsense(adjective, calm, cool, sensible, dark)
1
peaceful dull(expression, calm, sensible, dark)
1
philosophic(adjective, calm, quiet, cool, gentle)
1
plain(adjective, calm, sensible, dark)
1
resigned(adjective, calm, quiet, cool, gentle)
1
severe(adjective, calm, sensible, dark)
1
somber(adjective, calm, cool, sensible, dark)
1
subdued(adjective, calm, sensible, dark)
1
submissive(adjective, calm, quiet, gentle)
1
tolerant(adjective, calm, quiet, gentle)
1
toned down(expression, adjective, calm, sensible, dark)
1
uncomplaining(adjective, calm, quiet, gentle)
1
understanding(adjective, calm, quiet, gentle)
1
unenthusiastic(adjective, calm, cool, unfriendly)
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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>