- Definitions|2
- Thesaurus|652
- Abbreviations|0
139 entries under determined topic. ×
| stubborn(adjective, characteristic, quality, obstinate, stubbornness) | |
| tenacious(adjective, strong, tough, firm, difficult) | |
| dogged(adjective, strong, tough, firm, energetic) | |
| unyielding(adjective, tough, resolute, obstinate) | |
| obstinate(adjective, mean, strong, tough, continue) | |
| persistent(adjective, strong, tough, continue, firm) | |
| resolute(adjective, strong, tough, firm) | |
| inflexible(adjective, resolute, obstinate, stubborn) | |
| firm(noun, adjective, strong, tough) | |
| mulish(adjective, strong, tough, firm, difficult) | |
| headstrong(adjective, strong, tough, firm, difficult) | |
| obdurate(adjective, resolute, obstinate, stubborn) | |
| pigheaded(adjective, tough, firm, difficult, resist) | |
| adamant(adjective, tough, resolute, obstinate) | |
| bullheaded(adjective, tough, difficult, resist, wild) | |
| hardheaded(adjective, strong, tough, resist, cold) | |
| intractable(adjective, strong, tough, firm, difficult) | |
| intransigent(adjective, resolute, obstinate, stubborn) | |
| steadfast(adjective, tough, firm, resolute) | |
| unrelenting(adjective, strong, tough, cold) |
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| APA | Smart Define. (2015). pertinacious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, pertinacious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>. |
| MLA | Smart Define. "pertinacious thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms> |