1
composed(adjective, cool, blank, aloof, unemotional)
1
drugged
1
dry(adjective, cool, blank, aloof, unemotional)
1
dull
1
emotionally dead
1
feelingless(adjective, hard, insensitive, unsusceptible)
1
free(adjective, safe, unaffected, protected, resistant)
1
frigid
1
frosted
1
frosty
1
frozen
1
hard-boiled(adjective, hard, insensitive, unsusceptible)
1
hard as nails(expression, adjective, idiom, hard, insensitive)
1
hardened(adjective, hard, cool, blank, aloof)
1
hardened to(expression, safe, unaffected, protected, resistant)
1
hardhearted(adjective, hard, insensitive, unsusceptible)
1
icy
1
immovable
1
immunised
1
impenetrable
11 years ago|4.5k views|share |citing 
APASmart Define. (2015). insusceptible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insusceptible/thesaurus/synonyms
ChicagoSmart Define. 2015. "insusceptible thesaurus" https://smartdefine.org/insusceptible/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, insusceptible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insusceptible/thesaurus/synonyms>.
MLASmart Define. "insusceptible thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/insusceptible/thesaurus/synonyms>