- Definitions|2
- Thesaurus|674
- Abbreviations|0
| imperceptive(adjective, hard, insensitive, unsusceptible) | |
| imperishable | |
| incorruptible | |
| incurious(adjective, hard, insensitive, unsusceptible) | |
| indefeasible | |
| indelible | |
| indestructible | |
| indifferent(adjective, cool, blank, aloof, unemotional) | |
| indissoluble | |
| indurate | |
| indurated(adjective, cool, blank, aloof, unemotional) | |
| inexpressive(adjective, cool, blank, aloof, unemotional) | |
| inextinguishable | |
| inscrutable(adjective, cool, blank, aloof, unemotional) | |
| insubordinate | |
| irresponsible(safe, unaffected, protected, resistant, invulnerable) | |
| licensed(safe, unaffected, protected, resistant, invulnerable) | |
| matter-of-fact(adjective, cool, blank, aloof, unemotional) | |
| nonchalant(adjective, cool, blank, aloof, unemotional) | |
| nonemotional |
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| APA | Smart Define. (2015). insusceptible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/insusceptible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insusceptible thesaurus" https://smartdefine.org/insusceptible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, insusceptible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/insusceptible/thesaurus/synonyms>. |
| MLA | Smart Define. "insusceptible thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/insusceptible/thesaurus/synonyms> |