3
meek(adjective, restrained, patient, unexcitable, resigned)
3
mindless
3
negligent(adjective, calm, cool, relaxed, cold)
3
non-caring(adjective, cold, dead, aloof, apathy)
3
removed(adjective, detached, unconcerned)
3
repressed
3
self-composed(adjective, unexcitable)
3
sober(adjective, calm, cool, tough, rational)
3
straight
3
supine(adjective, dull, weak, easy, slow)
3
thick-skinned(adjective, calm, hard, cool, careless)
3
toneless(adjective, cool, temper, cold, negative)
3
unappreciative
3
unapproachable(restrained, unemotional, unaffected, unyielding, unbending)
2
anesthetized(adjective, dead, numb, insensitive, unconscious)
2
blah(adjective, calm, dull, weak, easy)
2
bloodless(adjective, hard, unfeeling, unemotional, insensitive)
2
bored(adjective, dull, indifferent, weary, apathetic)
2
careless(adjective, calm, dull, hard, cool)
2
catatonic
11 years ago|20k views|share |citing 
APASmart Define. (2015). impassive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>