- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
89 entries under tough topic. ×
| stubborn(adjective, characteristic, quality, strong, hard) | |
| mulish(adjective, strong, hard, firm) | |
| unyielding(adjective, strong, hard, determined) | |
| hard-nosed(adjective, strong, hard, determined) | |
| headstrong(adjective, strong, firm, resist) | |
| pigheaded(adjective, firm, resist, determined) | |
| bullheaded(adjective, strong, hard, resist) | |
| inflexible(adjective, strong, hard, cold) | |
| dogged(adjective, firm, resist, determined) | |
| pertinacious(adjective, strong, resist, cold) | |
| willful(adjective, firm, resist, determined) | |
| obdurate(adjective, strong, hard, determined) | |
| practical(adjective, hard, sound, reasonable) | |
| hard(adjective, strong, sound, reasonable) | |
| rigid(adjective, strong, hard, determined) | |
| self-willed(firm, determined, resolute, obstinate) | |
| stiff-necked(adjective, strong, hard, resist) | |
| tenacious(adjective, firm, resist, determined) | |
| unrelenting(adjective, strong, hard, cold) | |
| adamantine(adjective, strong, hard, firm) |
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| APA | Smart Define. (2015). hardheaded thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hardheaded/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardheaded thesaurus" https://smartdefine.org/hardheaded/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, hardheaded thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hardheaded/thesaurus/synonyms>. |
| MLA | Smart Define. "hardheaded thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/hardheaded/thesaurus/synonyms> |