1,209 entry under adjective topic. ×
| resist(strain, firmness, labour, hardiness) | |
| rock-solid(strain, firmness, compact, dense) | |
| toilsome(great, tough, difficulty, difficult) | |
| well-established(strain, firmness, labour, hardiness) | |
| rugged(strong, tough, severe, continue) | |
| complicated(difficult, property, complex, awkward) | |
| grievous(tough, severe, rough, difficult) | |
| intricate(difficult, property, complex, awkward) | |
| operose(tough, severe, difficulty, rough) | |
| oppressive(dull, tough, severe, rough) | |
| thorny(rough, difficult, delicate, complex) | |
| trying(dull, tough, severe, rough) | |
| knotty(severe, rough, difficult, violent) | |
| painful(evil, rough, nasty, difficult) | |
| taxing(tough, severe, rough, difficult) | |
| stern(person, mean, tough, easy) | |
| unsympathetic(person, mean, cool, tough) | |
| backbreaking(difficult, heavy, complex, awkward) | |
| punishing(difficult, complex) | |
| solid(adverb, characteristic, person, body) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |