- Definitions|2
- Thesaurus|652
- Abbreviations|0
37 entries under indefatigable topic. ×
| tenacious(adjective, strong, tough, firm, difficult) | |
| dogged(adjective, strong, tough, firm, energetic) | |
| persistent(adjective, strong, tough, continue, firm) | |
| resolute(adjective, strong, tough, firm, determined) | |
| determined(adjective, strong, tough, firm, deliberate) | |
| firm(noun, adjective, strong, tough, determined) | |
| persevering(adjective, strong, tough, firm, determined) | |
| unwavering(adjective, strong, firm, determined, steady) | |
| tireless(adjective, strong, firm, energetic, determined) | |
| unfaltering(adjective, strong, firm, energetic, determined) | |
| unflagging(adjective, strong, firm, energetic, determined) | |
| unswerving(adjective, strong, tough, firm, determined) | |
| staunch(adjective, strong, tough, firm, determined) | |
| unfailing(adjective, strong, firm, determined, steady) | |
| constant(adjective, strong, firm, determined, active) | |
| indomitable(adjective, strong, tough, firm, difficult) | |
| patient(adjective, strong, firm, energetic, determined) | |
| plodding(adjective, strong, firm, determined, steady) | |
| steady(adjective, strong, firm, determined, resolute) | |
| unflinching(adjective, strong, firm, energetic, determined) |
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| APA | Smart Define. (2015). pertinacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, pertinacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>. |
| MLA | Smart Define. "pertinacious thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms> |