- Definitions|0
- Thesaurus|291
- Abbreviations|0
| tenaciousness(noun, state, quality, resist, determination) | |
| bigotry | |
| dogmatism | |
| earthiness | |
| fanaticism | |
| inflexibility(noun, obstinacy) | |
| intolerance | |
| intransigence(obstinacy, stubbornness, unreasonableness, willfulness, mulishness) | |
| obstinance(noun, determination, purpose, obstinacy, stubbornness) | |
| positivism | |
| purpose(noun, determination, obstinacy, stubbornness, unreasonableness) | |
| reluctance(noun, determination, purpose, obstinacy, stubbornness) | |
| scientism | |
| secularism | |
| self-will | |
| sobered | |
| abstemious | |
| abstinence | |
| acumen | |
| adroit |
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| APA | Smart Define. (2015). hardheadedness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hardheadedness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardheadedness thesaurus" https://smartdefine.org/hardheadedness/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, hardheadedness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hardheadedness/thesaurus/synonyms>. |
| MLA | Smart Define. "hardheadedness thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/hardheadedness/thesaurus/synonyms> |