- Definitions|0
- Thesaurus|293
- Abbreviations|0
| self-control(noun, restraint, capacity, fortitude, stamina) | |
| stalwartness | |
| staunchness(noun, resolve, determination, firmness, persistence) | |
| steadfastness(noun, spirit, resolve, determination, confidence) | |
| stick-to-itiveness(noun, strength, resolve, determination, firmness) | |
| sticking power | |
| stoicism(noun, restraint, capacity, fortitude, composure) | |
| stomach(noun, spirit, resolve, determination, confidence) | |
| stout heart | |
| stoutness | |
| strength of character(expression, idiom, resolve, courage, fortitude) | |
| strength of purpose(noun, expression, idiom, resolve, determination) | |
| strength of will(expression, idiom) | |
| sufferance(noun, strength, ability, restraint, resolution) | |
| tenacity(noun, strength, ability, resolve, determination) | |
| tolerance(noun, strength, energy, ability, vigor) | |
| toleration(noun, strength, energy, ability, vigor) | |
| true grit(noun, expression, spirit, resolve, determination) | |
| vigorousness | |
| vigour |
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| APA | Smart Define. (2015). intestinal fortitude thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/intestinal_fortitude/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "intestinal fortitude thesaurus" https://smartdefine.org/intestinal_fortitude/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, intestinal fortitude thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/intestinal_fortitude/thesaurus/synonyms>. |
| MLA | Smart Define. "intestinal fortitude thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/intestinal_fortitude/thesaurus/synonyms> |