- Definitions|1
- Thesaurus|112
- Abbreviations|0
| impulsive(determined, stubborn, reckless, impetuous) | |
| incompliant(obstinate, stubborn, willful) | |
| incurable(obstinate, stubborn, willful) | |
| indocile(obstinate, stubborn, willful) | |
| indomitable(obstinate, stubborn, willful) | |
| inert | |
| insoluble(obstinate, stubborn, willful) | |
| locked(obstinate, stubborn, willful, fractious, intransigent) | |
| locked in(expression, determined, impulsive, obstinate, stubborn) | |
| moved | |
| opinionated | |
| stiff-necked(adjective, stubborn) | |
| tough nut(expression, obstinate, stubborn, willful, intransigent) | |
| unchangeable | |
| uncooperative(obstinate, stubborn, willful) | |
| undisciplined(obstinate, stubborn, willful) | |
| unmanageable(obstinate, stubborn, willful) | |
| unpliable(obstinate, stubborn, willful, intransigent) | |
| wayward(obstinate, stubborn, willful) |
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| APA | Smart Define. (2013). pig-headed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/pig-headed/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "pig-headed thesaurus" https://smartdefine.org/pig-headed/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2013, pig-headed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/pig-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "pig-headed thesaurus" 27 June 2013. Web. 26 September 2026. <https://smartdefine.org/pig-headed/thesaurus/synonyms> |