- Definitions|2
- Thesaurus|860
- Abbreviations|0
37 entries under firm topic. ×
| indefatigable(adjective, strong, continue, difficult) | |
| unflagging(adjective, strong, continue, difficult) | |
| persevering(adjective, strong, difficult, energetic) | |
| persistent(adjective, strong, energetic, determined) | |
| resolute(adjective, set, strong, energetic) | |
| determined(adjective, strong, keen, energetic) | |
| dogged(adjective, strong, energetic, determined) | |
| unfailing(adjective, set, strong, continue) | |
| unfaltering(adjective, strong, energetic, determined) | |
| unwavering(adjective, set, strong, determined) | |
| staunch(adjective, strong, determined, steady) | |
| tenacious(adjective, strong, determined, steady) | |
| inexhaustible(adjective, strong, continue, energetic) | |
| steady(adjective, strong, determined, resolute) | |
| unswerving(adjective, set, strong, determined) | |
| unwearied(adjective, strong, continue, energetic) | |
| constant(adjective, strong, determined, steady) | |
| pertinacious(adjective, strong, energetic, determined) | |
| unflinching(adjective, set, strong, energetic) | |
| dedicated(adjective, strong, determined, steady) |
For more, visit
Tireless on
Power Thesaurus
| APA | Smart Define. (2016). tireless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/tireless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "tireless thesaurus" https://smartdefine.org/tireless/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, tireless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/tireless/thesaurus/synonyms>. |
| MLA | Smart Define. "tireless thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/tireless/thesaurus/synonyms> |