11 entries under adjective topic. ×
| adamant(characteristic, hardness, solidity) | |
| shameless | |
| callous | |
| cold | |
| hard | |
| heartless | |
| incorrigible | |
| indurate | |
| inured | |
| obdurate | |
| stony |
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| APA | Smart Define. (2016). hardened thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hardened/thesaurus/narrower |
| Chicago | Smart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/narrower (accessed September 24, 2026). |
| Harvard | Smart Define 2016, hardened thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hardened/thesaurus/narrower>. |
| MLA | Smart Define. "hardened thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/hardened/thesaurus/narrower> |