- Definitions|2
- Thesaurus|652
- Abbreviations|0
207 entries under adjective topic. ×
| stubborn(characteristic, quality, obstinate, stubbornness) | |
| tenacious(strong, tough, firm, difficult) | |
| dogged(strong, tough, firm, energetic) | |
| unyielding(tough, determined, resolute, obstinate) | |
| obstinate(mean, strong, tough, continue) | |
| persistent(strong, tough, continue, firm) | |
| resolute(strong, tough, firm, determined) | |
| inflexible(determined, resolute, obstinate, stubborn) | |
| determined(strong, tough, firm, deliberate) | |
| firm(noun, strong, tough, determined) | |
| mulish(strong, tough, firm, difficult) | |
| headstrong(strong, tough, firm, difficult) | |
| obdurate(determined, resolute, obstinate, stubborn) | |
| pigheaded(tough, firm, difficult, resist) | |
| adamant(tough, determined, resolute, obstinate) | |
| bullheaded(tough, difficult, resist, wild) | |
| hardheaded(strong, tough, resist, cold) | |
| intractable(strong, tough, firm, difficult) | |
| intransigent(determined, resolute, obstinate, stubborn) | |
| steadfast(tough, firm, determined, resolute) |
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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> |