- Definitions|2
- Thesaurus|824
- Abbreviations|0
57 entries under tough topic. ×
| adamantine(adjective, strong, hard, firm) | |
| hard(adjective, strong, severe, evil) | |
| cruel(adjective, strong, hard, severe) | |
| steely(adjective, strong, hard, firm) | |
| unyielding(adjective, strong, hard, severe) | |
| rigid(adjective, strong, hard, severe) | |
| adamant(adjective, strong, hard, firm) | |
| firm(adjective, strong, hard, severe) | |
| obdurate(adjective, close, strong, hard) | |
| severe(adjective, strong, hard, harsh) | |
| harsh(adjective, strong, hard, severe) | |
| inflexible(adjective, strong, hard, severe) | |
| unbending(adjective, close, strong, hard) | |
| grim(adjective, close, strong, hard) | |
| relentless(adjective, close, strong, hard) | |
| rigorous(adjective, strong, hard, severe) | |
| unrelenting(adjective, close, strong, hard) | |
| dense(adjective, strong, hard, solid) | |
| immovable(adjective, strong, hard, sturdy) | |
| inexorable(adjective, close, strong, hard) |
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| APA | Smart Define. (2015). flinty thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/flinty/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flinty thesaurus" https://smartdefine.org/flinty/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, flinty thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/flinty/thesaurus/synonyms>. |
| MLA | Smart Define. "flinty thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/flinty/thesaurus/synonyms> |