- Definitions|2
- Thesaurus|330
- Abbreviations|0
35 entries under unreasonable topic. ×
| pigheaded(adjective, tough, firm, difficult, resist) | |
| mulish(adjective, strong, hard, tough, difficult) | |
| willful(adjective, tough, difficult, resist, wild) | |
| hardheaded(adjective, strong, hard, tough, resist) | |
| pertinacious(adjective, tough, difficult, resist, wild) | |
| stiff-necked(adjective, strong, hard, tough, firm) | |
| unyielding(adjective, strong, hard, tough, deliberate) | |
| obdurate(adjective, strong, hard, tough, deliberate) | |
| persistent(adjective, tough, firm, determined) | |
| adamant(adjective, strong, hard, tough, firm) | |
| adamantine(adjective, strong, hard, tough, severe) | |
| determined(adjective, tough, firm, stiff) | |
| persevering(adjective, tough, firm, determined) | |
| tough(adjective, strong, hard, firm, difficult) | |
| unrelenting(adjective, strong, hard, tough, firm) | |
| implacable(adjective, strong, hard, tough, firm) | |
| inexorable(adjective, strong, hard, tough, determined) | |
| relentless(adjective, strong, hard, tough, determined) | |
| unbending(adjective, strong, hard, tough, firm) | |
| firm(adjective, strong, hard, tough, determined) |
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| APA | Smart Define. (2015). bullheaded thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/bullheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "bullheaded thesaurus" https://smartdefine.org/bullheaded/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, bullheaded thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/bullheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "bullheaded thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/bullheaded/thesaurus/synonyms> |