134 entries under impassive topic. ×

2
laid-back(adjective, calm, slow, indifferent, restrained)
2
oblivious(adjective, cold, indifferent, insensitive)
2
poker-faced(adjective, detached, unfeeling, inactive)
2
sedate(adjective, calm, close, quiet, gentle)
2
thick-skinned(adjective, calm, hard, careless, indifferent)
2
unexcited(adjective, calm, cool, indifferent, restrained)
2
unimpressed(adjective, calm, indifferent, restrained, detached)
2
unimpressionable(adjective, hard, careless, indifferent, cruel)
1
along for the ride(expression, adjective, idiom, calm, dull)
1
blah(adjective, calm, dull, quiet, flat)
1
casual(adjective, calm, indifferent, restrained, detached)
1
cold fish(expression, adjective, calm, indifferent, restrained)
1
collected(adjective, calm, close, quiet, gentle)
1
composed(adjective, calm, close, quiet, gentle)
1
could care less(expression, adjective, idiom, indifferent, weary)
1
deadpan(adjective, calm, dull, flat, detached)
1
easy-going(adjective, calm, restrained, unconcerned, subdued)
1
flat(adjective, calm, dull, quiet, slow)
1
going through motions(expression, adjective, idiom, indifferent, weary)
1
going with the flow(expression, adjective, idiom, detached)
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APASmart Define. (2016). unresponsive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unresponsive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unresponsive thesaurus" https://smartdefine.org/unresponsive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unresponsive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unresponsive/thesaurus/synonyms>.
MLASmart Define. "unresponsive thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/unresponsive/thesaurus/synonyms>