96 entries under adjective topic. ×

3
proof(resist, resistant)
3
spiritless(cool, blank, aloof, unemotional)
3
unaffected(safe, protected, resistant, invulnerable)
3
unimpressible(cool, blank, aloof, unemotional)
3
vaccinated
2
aloof(hard, cool, blank, unemotional)
2
anesthetized(dead, impassive, insensitive)
2
callous(cool, blank, aloof, unemotional)
2
cold(cool, blank, aloof, unemotional)
2
cold-blooded(cool, blank, aloof, unemotional)
2
cool(blank, aloof, unemotional, serene)
2
crass(hard, insensitive, unsusceptible)
2
dispassionate(cool, blank, aloof, unemotional)
2
emotionless(cool, blank, aloof, unemotional)
2
hard(insensitive, unsusceptible)
2
inexcitable(cool, blank, aloof, unemotional)
2
insensate
2
repellent
2
safe(unaffected, protected, resistant, invulnerable)
2
tough(hard, informal, insensitive, unsusceptible)
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APASmart Define. (2015). insusceptible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/insusceptible/thesaurus/synonyms
ChicagoSmart Define. 2015. "insusceptible thesaurus" https://smartdefine.org/insusceptible/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, insusceptible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/insusceptible/thesaurus/synonyms>.
MLASmart Define. "insusceptible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/insusceptible/thesaurus/synonyms>