- Definitions|1
- Thesaurus|72
- Abbreviations|0
| determination(noun, resolution) | |
| stubbornness(noun, resolution) | |
| tenacity(noun, resolution) | |
| backbone(noun, resolution) | |
| bigotry | |
| boldness(noun, resolution) | |
| bravery(noun, resolution) | |
| bullheadedness(noun, resolution) | |
| courageousness(noun, resolution) | |
| dauntlessness(noun, resolution) | |
| decisiveness(noun, resolution) | |
| defiance | |
| devotion(noun, resolution) | |
| diligence(noun, resolution) | |
| dogmatism | |
| faithfulness(noun, resolution) | |
| fanaticism | |
| fervency(noun, resolution) | |
| fortitude(noun, resolution) | |
| grit(noun, resolution) |
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| APA | Smart Define. (2015). headstrongness thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/headstrongness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "headstrongness thesaurus" https://smartdefine.org/headstrongness/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, headstrongness thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/headstrongness/thesaurus/synonyms>. |
| MLA | Smart Define. "headstrongness thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/headstrongness/thesaurus/synonyms> |