- Definitions|2
- Thesaurus|824
- Abbreviations|0
79 entries under hard topic. ×
| tough(adjective, strong, firm, harsh) | |
| adamantine(adjective, strong, tough, firm) | |
| unbreakable(adjective, strong, firm, solid) | |
| cruel(adjective, strong, tough, severe) | |
| steely(adjective, strong, tough, firm) | |
| unyielding(adjective, strong, tough, severe) | |
| rigid(adjective, strong, tough, severe) | |
| adamant(adjective, strong, tough, firm) | |
| firm(adjective, strong, tough, severe) | |
| obdurate(adjective, close, strong, tough) | |
| unfeeling(adjective, close, severe, evil) | |
| severe(adjective, strong, tough, harsh) | |
| harsh(adjective, strong, tough, severe) | |
| inflexible(adjective, strong, tough, severe) | |
| pitiless(adjective, close, severe, nasty) | |
| unbending(adjective, close, strong, tough) | |
| grim(adjective, close, strong, tough) | |
| relentless(adjective, close, strong, tough) | |
| stiff(adjective, strong, severe, harsh) | |
| rigorous(adjective, strong, tough, severe) |
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| APA | Smart Define. (2015). flinty thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, flinty thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>. |
| MLA | Smart Define. "flinty thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms> |