115 entries under adjective topic. ×

2
unconscious(cold, indifferent, unresponsive, numb)
2
unemotional(hard, unfeeling, unsympathetic, hardened)
2
unsympathetic(hard, careless, indifferent, cruel)
2
vaccinated
1
aloof(hard, indifferent, unkind, unresponsive)
1
asleep(dead, insensitive, insusceptible)
1
benumbed(hard, dead, unfeeling, unsympathetic)
1
blind to(verb, expression, phrasal verb, hard)
1
bloodless(hard, indifferent, unkind, unresponsive)
1
careless(hard, indifferent, cruel, apathetic)
1
case-hardened(noun, hard, careless, indifferent)
1
deadened(dead, insensitive, insusceptible)
1
deaf to(verb, expression, phrasal verb, hard)
1
feelingless(hard, indifferent, unkind, unresponsive)
1
hard(careless, indifferent, cruel, apathetic)
1
hard-bitten(hard, careless, indifferent, cruel)
1
hard-boiled(noun, hard, careless, indifferent)
1
hard as nails(expression, idiom, hard, indifferent)
1
hardhearted(hard, careless, indifferent, cruel)
1
immune to(expression, dead, insensitive, insusceptible)
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APASmart Define. (2015). unsusceptible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unsusceptible/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsusceptible thesaurus" https://smartdefine.org/unsusceptible/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unsusceptible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unsusceptible/thesaurus/synonyms>.
MLASmart Define. "unsusceptible thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unsusceptible/thesaurus/synonyms>