56 entries under adjective topic. ×
| resistant(insensitive, receptive, opposing) | |
| immune | |
| unsusceptible(insensitive, receptive, nonresistant, well-disposed) | |
| adamant | |
| insusceptible | |
| impervious | |
| strong | |
| invulnerable | |
| safe | |
| impassive(cool, warm, sensitive, aloof) | |
| resisting(verb, insensitive) | |
| unresponsive | |
| cautious | |
| stoic | |
| unlikely | |
| shrewd | |
| sturdy | |
| vigorous | |
| apathetic | |
| astute |
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| APA | Smart Define. (2016). susceptible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/susceptible/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "susceptible thesaurus" https://smartdefine.org/susceptible/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, susceptible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/susceptible/thesaurus/antonyms>. |
| MLA | Smart Define. "susceptible thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/susceptible/thesaurus/antonyms> |