- Definitions|2
- Thesaurus|1k
- Abbreviations|0
328 entries under noun topic. ×
| indomitability | |
| inelasticity(protection, security, rigidity, hardness) | |
| inflexibility(determination, firmness, protection, severity) | |
| insensitivity | |
| irritability | |
| irritation | |
| mightiness | |
| mood | |
| peevishness | |
| physical fitness(soundness, wholeness, wellness, wholesomeness) | |
| pique | |
| pith(health, force, body, power) | |
| puissance(activity, go, force, body) | |
| purpose(strong, certain, determination, resolution) | |
| purposefulness(strong, certain, determination, resolution) | |
| sinew(health, force, body, power) | |
| solidness(support, control, strength, balance) | |
| spunkiness | |
| stringiness | |
| substance(health, force, body, power) |
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| APA | Smart Define. (2015). toughness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/toughness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "toughness thesaurus" https://smartdefine.org/toughness/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, toughness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/toughness/thesaurus/synonyms>. |
| MLA | Smart Define. "toughness thesaurus" 21 December 2015. Web. 30 September 2026. <https://smartdefine.org/toughness/thesaurus/synonyms> |