1
uncommunicative(adjective, indifferent, detached, distant, apathetic)
1
undesirous
1
uneager
1
unexpressive
1
unimpressed(adjective, indifferent, detached, distant, apathetic)
1
unimpressible(adjective, cool, blank, aloof, unemotional)
1
uninterested(adjective, indifferent, detached, distant, apathetic)
1
uninvolved(adjective, calm, dull, flat, indifferent)
1
unpassionate
1
unprejudiced(adjective, indifferent, detached, distant, apathetic)
1
unresponding
1
unruffled(adjective, cool, blank, aloof, unemotional)
1
unsocial(adjective, indifferent, detached, distant, apathetic)
1
untouchable
1
wooden(adjective, dull, quiet, cool, flat)
0
accustomed(adjective, dull, quiet, flat, heavy)
0
anesthetic(adjective, dull, slow, unfeeling, unemotional)
0
artificial
0
awkward
0
blank(adjective, dull, quiet, flat, heavy)
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APASmart Define. (2015). passionless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/passionless/thesaurus/synonyms
ChicagoSmart Define. 2015. "passionless thesaurus" https://smartdefine.org/passionless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, passionless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/passionless/thesaurus/synonyms>.
MLASmart Define. "passionless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/passionless/thesaurus/synonyms>