- Definitions|2
- Thesaurus|652
- Abbreviations|0
69 entries under firm topic. ×
| stubborn(adjective, characteristic, quality, obstinate, stubbornness) | |
| tenacious(adjective, strong, tough, difficult) | |
| dogged(adjective, strong, tough, energetic) | |
| obstinate(adjective, mean, strong, tough, continue) | |
| persistent(adjective, strong, tough, continue) | |
| resolute(adjective, strong, tough, determined) | |
| determined(adjective, strong, tough, deliberate) | |
| mulish(adjective, strong, tough, difficult) | |
| headstrong(adjective, strong, tough, difficult) | |
| pigheaded(adjective, tough, difficult, resist) | |
| intractable(adjective, strong, tough, difficult) | |
| steadfast(adjective, tough, determined, resolute) | |
| willful(adjective, strong, tough, difficult) | |
| uncompromising(adjective, tough, determined, resolute) | |
| contumacious(adjective, tough, determined, unreasonable) | |
| opinionated(adjective, tough, determined, resolute) | |
| relentless(adjective, strong, tough, energetic) | |
| indefatigable(adjective, strong, determined, steady) | |
| persevering(adjective, strong, tough, determined) | |
| perverse(adjective, tough, resist, 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> |