138 entries under resolute topic. ×
| unbendable(adjective, determined, obstinate, uncompromising) | |
| unchangeable(adjective, calm, strong, solid, substantial) | |
| unflinching(adjective, purpose) | |
| unshakable(adjective, mean, strong, hard, firm) | |
| Spartan(strong, noble, bold, spirited) | |
| devoted(adjective, reliable, steadfast, loyal) | |
| diligent(adjective, difficult, careful, thorough) | |
| faithful(adjective, careful, reliable, thorough) | |
| forceful(adjective, clear, strong, sound, severe) | |
| game(adjective, strong, lively, determined, noble) | |
| indefatigable(adjective, strong, sound, fit, firm) | |
| iron(adjective, mean, strong, hard, firm) | |
| strong-willed(adjective, tenacious) | |
| valiant(adjective, strong, determined, noble, bold) | |
| bull-headed(adjective, determined, obstinate, stubborn) | |
| committed(adjective, firm, determined, steady) | |
| decided | |
| deliberate | |
| earnest | |
| fast(adjective, calm, strong, firm, solid) |
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| APA | Smart Define. (2016). tough thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tough/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tough thesaurus" https://smartdefine.org/tough/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, tough thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tough/thesaurus/synonyms>. |
| MLA | Smart Define. "tough thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/tough/thesaurus/synonyms> |