- Definitions|2
- Thesaurus|824
- Abbreviations|0
43 entries under serious topic. ×
| tough(adjective, strong, hard, firm, harsh) | |
| hard(adjective, strong, tough, severe, evil) | |
| cruel(adjective, strong, hard, tough, severe) | |
| steely(adjective, strong, hard, tough, firm) | |
| rigid(adjective, strong, hard, tough, severe) | |
| firm(adjective, strong, hard, tough, severe) | |
| obdurate(adjective, close, strong, hard, tough) | |
| unfeeling(adjective, close, hard, severe, evil) | |
| severe(adjective, strong, hard, tough, harsh) | |
| harsh(adjective, strong, hard, tough, severe) | |
| inflexible(adjective, strong, hard, tough, severe) | |
| stern(adjective, authoritarian) | |
| pitiless(adjective, close, hard, severe, nasty) | |
| unbending(adjective, close, strong, hard, tough) | |
| grim(adjective, close, strong, hard, tough) | |
| relentless(adjective, close, strong, hard, tough) | |
| stiff(adjective, strong, hard, severe, harsh) | |
| unrelenting(adjective, close, strong, hard, tough) | |
| inexorable(adjective, close, strong, hard, tough) | |
| rough(adjective, strong, hard, tough) |
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| APA | Smart Define. (2015). flinty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, flinty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>. |
| MLA | Smart Define. "flinty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms> |