45 entries under unresponsive topic. ×

11
insensitive(noun, adjective, hard, careless, indifferent)
8
insensible(adjective, hard, careless, indifferent, cruel)
6
impervious(noun, adjective, resist, oblivious)
6
unfeeling(noun, adjective, hard, careless, cold)
4
callous(noun, adjective, hard, indifferent, cruel)
4
heartless(adjective, hard, careless, indifferent, cruel)
4
thick-skinned(noun, adjective, hard, careless, indifferent)
3
obtuse(noun, adjective, hard, indifferent, unfeeling)
3
unaffected(adjective, hard, careless, indifferent, cruel)
3
unimpressible(adjective, cold, indifferent, numb)
2
cold(adjective, hard, careless, indifferent, cruel)
2
coldhearted(adjective, hard, indifferent, unfeeling, unsympathetic)
2
hardened(noun, adjective, hard, careless, indifferent)
2
indifferent(adjective, hard, careless, cold, cruel)
2
numb(noun, adjective, cold, indifferent)
2
unconscious(adjective, cold, indifferent, numb)
1
aloof(adjective, hard, indifferent, unkind)
1
bloodless(adjective, hard, indifferent, unkind)
1
feelingless(adjective, hard, indifferent, unkind)
1
hard(adjective, careless, indifferent, cruel, apathetic)
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APASmart Define. (2015). unsusceptible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsusceptible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsusceptible thesaurus" https://smartdefine.org/unsusceptible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unsusceptible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsusceptible/thesaurus/synonyms>.
MLASmart Define. "unsusceptible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unsusceptible/thesaurus/synonyms>