103 entries under toughness topic. ×
| sternness(noun, easy, condition, discipline, firmness) | |
| strenuousness(noun, difficulty) | |
| complication(noun, difficulty) | |
| hardheartedness(noun, discipline, firmness, severity, cruelty) | |
| resistance(noun, firmness, protection, security) | |
| strictness(noun, easy, condition, discipline, firmness) | |
| acerbity(noun, discipline, firmness, severity, harshness) | |
| awkwardness(noun, difficulty) | |
| cohesion(noun, support, control, strength, balance) | |
| fastness(noun, support, control, change, strength) | |
| laboriousness | |
| robustness(strength, solidity) | |
| steadiness(noun, support, control, change, strength) | |
| substantiality(noun, support, control, strength, balance) | |
| sureness(noun, support, control, change, strength) | |
| adversity(noun, difficulty) | |
| determination(noun, support, control, strength, balance) | |
| durability(noun, support, control, strength, balance) | |
| hardiness(noun, strength, resistance, durability) | |
| security(noun, support, control, change, strength) |
For more, visit
Hardness on
Power Thesaurus
| APA | Smart Define. (2015). hardness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/hardness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "hardness thesaurus" https://smartdefine.org/hardness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, hardness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/hardness/thesaurus/synonyms>. |
| MLA | Smart Define. "hardness thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/hardness/thesaurus/synonyms> |