60 entries under impassive topic. ×

1
indifferent(adjective, cool, detached, blank, aloof)
1
inscrutable(adjective, dull, cool, dead, blank)
1
lusterless(adjective, dull, dead, unresponsive)
1
passionless(adjective, cool, detached, blank, aloof)
1
phlegmatic(adjective, cool, detached, blank, aloof)
1
reserved(adjective, cool, detached, blank, aloof)
1
reticent(adjective, cool, detached, blank, aloof)
1
stolid(adjective, dull, cool, dead, blank)
1
stupid(adjective, dull, indifferent, dead, blank)
1
undemonstrative(adjective, detached, unresponsive, dispassionate)
1
unemotional(adjective, cool, detached, blank, aloof)
1
unexcitable(adjective, cool, detached, blank, aloof)
1
unfeeling(adjective, cool, detached, blank, aloof)
1
unresponsive(adjective, detached, dispassionate, undemonstrative)
1
vacuous(adjective, dull, indifferent, dead, blank)
0
along for the ride(expression, adjective, idiom, detached)
0
blah(adjective, detached, unresponsive, dispassionate)
0
chill(adjective, detached, unresponsive, dispassionate)
0
coldhearted(adjective, detached, unresponsive, dispassionate)
0
dead(adjective, dull, unresponsive, deadpan)
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APASmart Define. (2015). inexpressive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inexpressive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inexpressive thesaurus" https://smartdefine.org/inexpressive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inexpressive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inexpressive/thesaurus/synonyms>.
MLASmart Define. "inexpressive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/inexpressive/thesaurus/synonyms>