93 entries under unresponsive topic. ×

5
unconcerned(adjective, calm, cool, indifferent, detached)
4
phlegmatic(adjective, calm, cool, indifferent, detached)
4
reserved(adjective, cool, detached, unfriendly, blank)
4
undemonstrative(adjective, calm, dull, cool, flat)
4
unloving(adjective, cold, detached, unfriendly)
4
unmoved(adjective, cool, indifferent, detached, unfriendly)
4
unsympathetic(adjective, dull, quiet, cool, flat)
3
callous(adjective, quiet, cool, indifferent, detached)
3
deadpan(adjective, calm, dull, flat, detached)
3
hard-boiled(adjective, detached, impassive, insensitive)
3
impotent(adjective, cold, detached, unfriendly)
3
insensitive(adjective, dull, quiet, flat, heavy)
3
lifeless(adjective, calm, dull, quiet, flat)
3
rigid(adjective, cold, detached, unfriendly)
3
stiff(adjective, cold, detached, unfriendly)
3
stoical(adjective, cool, indifferent, detached, blank)
3
uncompassionate(adjective, calm, dull, flat, detached)
3
unexcitable(adjective, calm, dull, cool, flat)
3
unimpressionable(adjective, detached, impassive, insensitive)
2
austere(adjective, cold, detached, unfriendly)
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APASmart Define. (2015). passionless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/passionless/thesaurus/synonyms
ChicagoSmart Define. 2015. "passionless thesaurus" https://smartdefine.org/passionless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, passionless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/passionless/thesaurus/synonyms>.
MLASmart Define. "passionless thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/passionless/thesaurus/synonyms>