226 entries under hard topic. ×
| ungraceful(adjective, firm, solid, stiff) | |
| unpermissive(adjective, tough, severe, rough) | |
| acrid(adjective, severe, sharp, flat) | |
| annealed(adjective, firm, solid, stiff) | |
| arduous(adjective, tough, severe, rough) | |
| arthritic(adjective, firm, solid, stiff) | |
| asperous(adjective, severe, sharp, flat) | |
| benumbed(adjective, firm, solid, stiff) | |
| bullhead(adjective, mean, harsh, inflexible) | |
| bullheaded(adjective, strong, tough, severe) | |
| by the book(expression, adjective, idiom, strong) | |
| cacophonous(adjective, severe, sharp, flat) | |
| caterwauling(adjective, severe, sharp, flat) | |
| cemented(adjective, firm, solid, stiff) | |
| chilled(adjective, firm, solid, stiff) | |
| clashing(adjective, severe, sharp, flat) | |
| coarse(adjective, severe, sharp, flat) | |
| cold fish(expression, adjective, mean, stubborn) | |
| congealed(adjective, set, tough, firm) | |
| contracted(adjective, firm, solid, stiff) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |