- Definitions|2
- Thesaurus|652
- Abbreviations|0
69 entries under firm topic. ×
| strong(adjective, tough, cold, determined) | |
| unceasing(adjective, strong, determined, steady) | |
| undeterred(adjective, strong, determined, steady) | |
| unmanageable(tough, difficult, awkward, unreasonable) | |
| unreasonable(tough, grim, inflexible, obstinate) | |
| unstinted(adjective, strong, determined, steady) | |
| untoward(tough, unreasonable, grim, inflexible) | |
| dedicated(adjective, strong, determined, steady) | |
| devoted(adjective, strong, determined, steady) |
For more, visit
Pertinacious on
Power Thesaurus
| APA | Smart Define. (2015). pertinacious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, pertinacious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>. |
| MLA | Smart Define. "pertinacious thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms> |