124 entries under strict topic. ×
| resentful(adjective, love, attitude, cruel, hostile) | |
| astringent(adjective, strong, tough, severe, sharp) | |
| forbidding(adjective, person, strong, tough, severe) | |
| hard as nails(expression, adjective, idiom, set, strong) | |
| valid(strength, correct, severe, true, real) | |
| drastic(adjective, tough, severe, rough, harsh) | |
| intolerable(adjective, severe, rough, difficult, harsh) | |
| poignant(adjective, severe, evil, nasty, harsh) | |
| single-minded(adjective, harsh, cruel, determined, fierce) | |
| staunch(adjective, strong, firm, resolute, sturdy) | |
| unadaptable(adjective, set, stiff, resolute, rigid) | |
| unjust(adjective, tough, harsh, rude, cruel) | |
| vengeful(adjective, severe, evil, nasty, harsh) | |
| Draconian(tough, severe, firm, harsh, rigid) | |
| by the book(expression, adjective, idiom, strong, tough) | |
| cold fish(expression, adjective, mean, tough, severe) | |
| dead set on(expression, adjective, idiom, severe, harsh) | |
| dyed-in-the-wool(adjective, set, strong, tough, severe) | |
| hard-and-fast(resolute, rigid, inflexible, obstinate) | |
| iron-fisted(adjective, mean, tough, severe, firm) |
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| APA | Smart Define. (2016). hard thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/hard/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard thesaurus" https://smartdefine.org/hard/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, hard thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/hard/thesaurus/synonyms>. |
| MLA | Smart Define. "hard thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/hard/thesaurus/synonyms> |