- Definitions|1
- Thesaurus|134
- Abbreviations|0
| insusceptibility | |
| inviolability | |
| invulnerability | |
| lassitude(noun, apathy, indifference, unconcern) | |
| lifelessness | |
| listlessness(noun, apathy, indifference, unconcern) | |
| lukewarmness | |
| moral insensibility(expression, idiom, insensibility) | |
| passiveness | |
| physical inertness(expression, idiom, excitability) | |
| rigor | |
| stoicism | |
| stupor | |
| supineness | |
| torpor | |
| tranquillity | |
| unconcern(noun, apathy, indifference) | |
| unfeelingness | |
| uninterest(noun, apathy, indifference, inattention, unconcern) | |
| unresponsiveness(noun, apathy, indifference, unconcern) |
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| APA | Smart Define. (2015). impassibility thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impassibility/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impassibility thesaurus" https://smartdefine.org/impassibility/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, impassibility thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impassibility/thesaurus/synonyms>. |
| MLA | Smart Define. "impassibility thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/impassibility/thesaurus/synonyms> |