- Definitions|2
- Thesaurus|652
- Abbreviations|0
139 entries under determined topic. ×
| willful(adjective, strong, tough, firm, difficult) | |
| uncompromising(adjective, tough, firm, resolute) | |
| contumacious(adjective, tough, firm, unreasonable) | |
| opinionated(adjective, tough, firm, resolute) | |
| relentless(adjective, strong, tough, firm, energetic) | |
| hard-nosed(adjective, resolute, obstinate, uncompromising) | |
| indefatigable(adjective, strong, firm, steady) | |
| insistent(adjective, resolute, obstinate, uncompromising) | |
| persevering(adjective, strong, tough, firm) | |
| perverse(adjective, tough, firm, resist) | |
| refractory(adjective, tough, firm, difficult) | |
| rigid(adjective, tough, resolute, obstinate) | |
| stiff-necked(adjective, tough, firm, resist) | |
| untiring(adjective, persevering) | |
| unwavering(adjective, strong, firm, steady) | |
| tireless(adjective, strong, firm, energetic) | |
| unfaltering(adjective, strong, firm, energetic) | |
| unshakable(adjective, tough, firm, resolute) | |
| bigoted(adjective, resolute, obstinate, uncompromising) | |
| contrary(adjective, difficult, awkward, resolute) |
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| APA | Smart Define. (2015). pertinacious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pertinacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pertinacious thesaurus" https://smartdefine.org/pertinacious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, pertinacious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pertinacious/thesaurus/synonyms>. |
| MLA | Smart Define. "pertinacious thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/pertinacious/thesaurus/synonyms> |