noun
- Enduring strength and energy.
- synonyms: stamina, staying power
- The property of being big and strong.
- synonyms: huskiness, ruggedness
- The elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking.
- synonyms: temper
- Impressive difficulty.
- synonyms: formidability
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). toughness. Retrieved September 22, 2026, from http://smartdefine.org/toughness/definitions/1316771 |
| Chicago | WordNet. 2010. "toughness" http://smartdefine.org/toughness/definitions/1316771 (accessed September 22, 2026). |
| Harvard | WordNet 2010, toughness, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/toughness/definitions/1316771>. |
| MLA | WordNet. "toughness" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/toughness/definitions/1316771> |