- Definitions|2
- Thesaurus|584
- Abbreviations|0
| humdrum | |
| immobile | |
| immotile | |
| impenetrable(adjective, hard, unfeeling, unsympathetic, hardened) | |
| impious(adjective, hard, unfeeling, unsympathetic, hardened) | |
| implacable(adjective, mean, hard, harsh, cold) | |
| inaccessible(adjective, hard, unfeeling, unsympathetic, hardened) | |
| inexorable(adjective, mean, hard, harsh, cold) | |
| inorganic(lifeless, nonliving) | |
| insipid | |
| irreverent(adjective, hard, unfeeling, unsympathetic, hardened) | |
| lusk | |
| mind-numbing | |
| neutral | |
| passive | |
| prepared(adjective, hard, unfeeling, unsympathetic, hardened) | |
| relentless(adjective, mean, hard, harsh, cold) | |
| resistant(adjective, hard, unfeeling, unsympathetic, hardened) | |
| restrained | |
| savage(adjective, mean, hard, harsh, cold) |
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| APA | Smart Define. (2015). soulless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/soulless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "soulless thesaurus" https://smartdefine.org/soulless/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, soulless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/soulless/thesaurus/synonyms>. |
| MLA | Smart Define. "soulless thesaurus" 15 July 2015. Web. 27 September 2026. <https://smartdefine.org/soulless/thesaurus/synonyms> |