- Definitions|2
- Thesaurus|1k
- Abbreviations|0
328 entries under noun topic. ×
| force(body, power, strength, energy) | |
| guts(strength, energy, spirit, determination) | |
| gutsiness(strength, heart, wind, sturdiness) | |
| heartiness | |
| lustiness(health, force, body, power) | |
| mettle(spirit, determination, courage, boldness) | |
| persistence(strength, determination, resolution, firmness) | |
| potency(health, force, body, power) | |
| resistance(spirit, firmness, protection, security) | |
| rigor(easy, condition, discipline, firmness) | |
| soundness(health, support, control, force) | |
| spirit(power, strength, energy, vigor) | |
| stoniness(resolution, insensitivity) | |
| strength of character(expression, idiom, hard, power) | |
| strenuousness(difficulty, hardness, tedium, arduousness) | |
| tightness | |
| ability to bounce back(hard, power, strength, flexibility) | |
| adaptability(hard, power, strength, flexibility) | |
| boldness(spirit, resolution, courage, pluck) | |
| brawn(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> |