423 entries under adjective topic. ×
| thickened(verb, hard, firm, solid) | |
| unbending(hard, firm, solid, careless) | |
| uncontrite(hard, tough, harsh, cruel) | |
| unforgiving(person, hard, tough, harsh) | |
| accustomed(set, hard, usual, regular) | |
| calcified(set, firm, solid, petrified) | |
| emotionless(cool, blank, aloof, unemotional) | |
| experienced(sophisticated, skilled, mature, seasoned) | |
| flinty(rocky, pebbly) | |
| incorrigible(bad, complete, rude, corrupt) | |
| indurate(set, hard, firm, solid) | |
| jelled(verb, hard, tough, firm) | |
| petrified(verb, set, hard, firm) | |
| ruthless(hard, tough, severe, harsh) | |
| steely(hard, firm, solid, cold) | |
| taut(hard, firm, solid, stiff) | |
| unconcerned(hard, cool, careless, indifferent) | |
| unrepentant(impenitent, impenitence) | |
| acclimatized(strong, fit, healthy, well) | |
| aloof(hard, cool, indifferent, blank) |
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| APA | Smart Define. (2016). hardened thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hardened/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hardened thesaurus" https://smartdefine.org/hardened/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, hardened thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hardened/thesaurus/synonyms>. |
| MLA | Smart Define. "hardened thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/hardened/thesaurus/synonyms> |