116 entries under hard topic. ×
| stiff(adjective, strong, strain, firm) | |
| stubborn(adjective, characteristic, quality, determined) | |
| tough(adjective, strong, fit, firm) | |
| obdurate(adjective, determined, resolute, unfeeling) | |
| inflexible(adjective, firm, determined, resolute) | |
| hard-nosed(adjective, determined, resolute, unfeeling) | |
| solid(adjective, strong, tough, fit) | |
| set(adjective, firm, solid, determined) | |
| unbending(adjective, firm, determined, resolute) | |
| impenetrable(adjective, unfeeling, unsympathetic, prepared) | |
| unbreakable(adjective, strong, tough, solid) | |
| unsubmissive(adjective, unfeeling, unsympathetic, prepared) | |
| inelastic(adjective, firm, solid, determined) | |
| unaffected(adjective, unfeeling, unsympathetic, safe) | |
| unsusceptible(adjective, resist, unfeeling, unsympathetic) | |
| benumbed(adjective, firm, solid, unfeeling) | |
| cohesive(adjective, strong, solid, stiff) | |
| dense(adjective, strong, solid, stiff) | |
| fibrous(adjective, strong, solid, stiff) | |
| flinty(adjective, strong, solid, stiff) |
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| APA | Smart Define. (2015). resistant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/resistant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "resistant thesaurus" https://smartdefine.org/resistant/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, resistant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/resistant/thesaurus/synonyms>. |
| MLA | Smart Define. "resistant thesaurus" 19 August 2015. Web. 22 September 2026. <https://smartdefine.org/resistant/thesaurus/synonyms> |