320 entries under severe topic. ×
| stiff(adjective, feature, state, characteristic, tough) | |
| tough(adjective, person, dull, mean, body) | |
| firm(noun, adjective, adverb, feature, state) | |
| difficult(adjective, dull, great, tough, easy) | |
| rigid(adjective, feature, state, characteristic, mean) | |
| tight(adjective, adverb, strong, strain) | |
| unyielding(adjective, mean, strong, tough, easy) | |
| cruel(adjective, person, mean, strong, cool) | |
| arduous(adjective, dull, great, tough, easy) | |
| harsh(adjective, mean, strong, cool, tough) | |
| laborious(adjective, dull, great, tough, easy) | |
| rough(adjective, strong, great, tough) | |
| burdensome(adjective, dull, rough, difficult) | |
| inflexible(adjective, characteristic, mean, strong, tough) | |
| rugged(adjective, strong, tough, continue) | |
| grievous(adjective, tough, rough, difficult) | |
| operose(adjective, tough, difficulty, rough) | |
| oppressive(adjective, dull, tough, rough) | |
| trying(adjective, dull, tough, rough) | |
| knotty(adjective, rough, difficult, violent) |
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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> |