113 entries under restrained topic. ×

3
thick-skinned(adjective, calm, hard, cool, careless)
3
unapproachable(unemotional, unaffected, unyielding, unbending)
2
chill(adjective, cool, detached, blank)
2
chilly(unemotional, phlegmatic)
2
constrained(adjective, calm, subdued, unresponsive)
2
laid-back(adjective, calm, dull, quiet, cool)
2
long-suffering(adjective, calm, cool, tolerant)
2
offish(unemotional, phlegmatic)
2
pacific(adjective, calm, quiet, cool)
2
patient(adjective, calm, quiet, cool, moderate)
2
philosophic(adjective, calm, cool, tolerant)
2
serious(adjective, calm, tough, rational)
2
soft(adjective, calm, subdued, unresponsive)
2
standoffish(unemotional, phlegmatic)
2
subdued(adjective, calm, unresponsive)
2
unagitated(adjective, calm, quiet, relaxed)
2
uncommunicative(unemotional, phlegmatic)
2
unenthusiastic(adjective, calm, dull, weak, easy)
2
unstirred(adjective, calm, cold, indifferent)
2
withdrawn(adjective, indifferent, aloof, weary)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>