- Definitions|2
- Thesaurus|652
- Abbreviations|0
139 entries under determined topic. ×
| fixed(adjective, tough, firm, resolute) | |
| immovable(adjective, difficult, resolute, obstinate) | |
| self-willed(adjective, tough, firm, difficult) | |
| set(adjective, resolute, obstinate, uncompromising) | |
| unbending(adjective, tough, resolute, obstinate) | |
| unflagging(adjective, strong, firm, energetic) | |
| unswerving(adjective, strong, tough, firm) | |
| bull-headed(adjective, resolute, obstinate, stubborn) | |
| inexorable(adjective, tough, resolute, obstinate) | |
| pat(adjective, difficult, resolute, obstinate) | |
| staunch(adjective, strong, tough, firm) | |
| stiff(adjective, resolute, persistent, obstinate) | |
| unbendable(adjective, resolute, obstinate, uncompromising) | |
| unfailing(adjective, strong, firm, steady) | |
| wilful(adjective, resolute, uncompromising, unshakeable) | |
| adamantine(adjective, resolute, uncompromising, unshakeable) | |
| bovine(adjective, resolute, obstinate, uncompromising) | |
| constant(adjective, strong, firm, active) | |
| hard(adjective, sharp, resolute, stubborn) | |
| indomitable(adjective, strong, tough, firm, difficult) |
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| 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> |