81 entries under firmness topic. ×
| sureness(noun, support, control, strength, balance) | |
| true grit(expression, strength, determination, courage) | |
| unkindness(rigidity, stiffness) | |
| valiancy(strength, spirit, dash, determination, courage) | |
| what it takes(expression, idiom, strength, determination, courage) | |
| austerity(rigidity, stiffness) | |
| control(noun, balance, stability) | |
| equilibrium(noun, control, temper, balance) | |
| grimness(rigidity, stiffness) | |
| hardheartedness(rigidity, stiffness) | |
| harshness(rigidity, stiffness) | |
| rigor(rigidity, stiffness) | |
| rigorousness(rigidity, stiffness) | |
| severity(rigidity, stiffness) | |
| sharpness(rigidity, stiffness) | |
| spine(strength, determination, courage, resilience) | |
| sternness(rigidity, stiffness) | |
| stiffness | |
| strictness(rigidity, stiffness) | |
| stringency(rigidity, stiffness) |
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Endurance on
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| APA | Smart Define. (2016). endurance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/endurance/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "endurance thesaurus" https://smartdefine.org/endurance/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, endurance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/endurance/thesaurus/synonyms>. |
| MLA | Smart Define. "endurance thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/endurance/thesaurus/synonyms> |