423 entries under adjective topic. ×
| buckram(hard, firm, solid, stiff) | |
| bullheaded(determined, resolute, uncompromising, unshakeable) | |
| callused | |
| cantankerous(hard, tough, severe, cruel) | |
| careless(hard, indifferent, cruel, apathetic) | |
| cemented(set, hard, firm, solid) | |
| chastened | |
| chilled(verb, hard, firm, solid) | |
| churlish(hard, tough, severe, cruel) | |
| classic | |
| close(hard, tough, solid, rigid) | |
| clotted | |
| cold fish(expression, hard, tough, severe) | |
| collected(cool, blank, aloof, unemotional) | |
| compact(set, strong, hard, tough) | |
| composed(cool, blank, aloof, unemotional) | |
| concentrated(verb, set, strong, hard) | |
| concrete(set, hard, tough, firm) | |
| contracted(hard, firm, solid, stiff) | |
| creaky(hard, firm, solid, stiff) |
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| APA | Smart Define. (2016). hardened thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, hardened thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>. |
| MLA | Smart Define. "hardened thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms> |