- Definitions|2
- Thesaurus|729
- Abbreviations|0
38 entries under determined topic. ×
| pertinacious(adjective, strong, firm, steady) | |
| tenacious(adjective, strong, firm, steady) | |
| devoted(adjective, good, strong, firm, honest) | |
| incessant(adjective, strong, continue, firm) | |
| patient(adjective, strong, firm, steady) | |
| dedicated(adjective, strong, firm, steady) | |
| indomitable(adjective, strong, firm, steady) | |
| plodding(adjective, strong, firm, steady) | |
| plugging(adjective, strong, firm, steady) | |
| strong(adjective, good, firm, honest, solid) | |
| unflinching(adjective, set, strong, firm) | |
| continued(adjective, strong, firm, steady) | |
| eager beaver(expression, adjective, strong, firm) | |
| fireball(adjective, strong, firm, steady) | |
| go-go(adjective, strong, firm, steady) | |
| grind(adjective, strong, firm, energetic) | |
| undeterred(adjective, strong, firm, steady) | |
| unstinted(adjective, strong, firm, steady) |
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| APA | Smart Define. (2016). unfailing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfailing/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unfailing thesaurus" https://smartdefine.org/unfailing/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, unfailing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfailing/thesaurus/synonyms>. |
| MLA | Smart Define. "unfailing thesaurus" 3 March 2016. Web. 29 September 2026. <https://smartdefine.org/unfailing/thesaurus/synonyms> |