74 entries under impassive topic. ×

3
uncompassionate(adjective, detached, unresponsive, insensitive)
2
chill(adjective, detached, unresponsive, dispassionate)
2
coldhearted(adjective, detached, unresponsive, dispassionate)
2
dull(adjective, tough, rational, straightforward, sober)
2
frigid(adjective, detached, unresponsive, dispassionate)
2
prosaic(adjective, hard, sound, tough, excite)
2
reserved(adjective, indifferent, detached, casual, aloof)
2
tough(adjective, calm, detached, sober, unfeeling)
2
undemonstrative(adjective, detached, unresponsive, dispassionate)
2
unimpassioned(adjective, tough, rational, straightforward, sober)
2
unimpressionable(adjective, detached, unresponsive, dispassionate)
2
unvarnished(adjective, tough, rational, straightforward, sober)
1
calm(adjective, sound, tough, reasonable, sensible)
1
composed(adjective, calm, detached, sober, unfeeling)
1
deadpan(adjective, tough, rational, straightforward, detached)
1
down-to-earth(adjective, hard, sound, tough, excite)
1
dry(adjective, tough, rational, straightforward, sober)
1
earthy(adjective, hard, sound, tough, rational)
1
feasible(adjective, tough, honest, fair, proper)
1
flat(adjective, tough, rational, straightforward, detached)
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APASmart Define. (2016). objective thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/objective/thesaurus/synonyms
ChicagoSmart Define. 2016. "objective thesaurus" https://smartdefine.org/objective/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, objective thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/objective/thesaurus/synonyms>.
MLASmart Define. "objective thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/objective/thesaurus/synonyms>