187 entries under hard topic. ×
| cold-blooded(adjective, careless, indifferent, cruel) | |
| consolidated(adjective, set, firm, solid) | |
| contracted(adjective, close, strong, firm) | |
| creaky(adjective, firm, dead, rigid) | |
| deaf to(expression, adjective, careless, indifferent) | |
| dyed-in-the-wool(adjective, set, severe, harsh) | |
| ferocious(adjective, rough, harsh, cruel) | |
| fine-grained(tough, solid, rigid, inflexible) | |
| hard-boiled(adjective, severe, rough, firm) | |
| hard as nails(expression, adjective, idiom, set, strong) | |
| hardhearted(adjective, careless, indifferent, cruel) | |
| heartless(adjective, careless, indifferent, cruel) | |
| immalleable(adjective, firm, dead, rigid) | |
| impenitent(adjective, careless, indifferent, cruel) | |
| indifferent(adjective, cool, careless, cold) | |
| insensate(adjective, careless, indifferent, cruel) | |
| insensible(adjective, careless, indifferent, cruel) | |
| insensitive(adjective, careless, indifferent, cruel) | |
| insentient(adjective, careless, indifferent, cruel) | |
| inured(adjective, careless, indifferent, cruel) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |