firmness
(noun)
noun
1. the muscle tone of healthy tissue
- his muscular firmness
Similar word(s): soundness
Definition categories: attribute, strength
2. the trait of being resolute
Similar word(s): resoluteness, resolution, resolve
Definition categories: attribute, trait
3. the property of being unyielding to the touch
Definition categories: attribute, hardness
4. the quality of being steady or securely and immovably fixed in place
Similar word(s): steadiness
Definition categories: attribute, immovability, immovableness