Synonyms of firmness

Noun

1. firmness, soundness, strength

usage: the muscle tone of healthy tissue; "his muscular firmness"

2. resoluteness, firmness, firmness of purpose, resolve, resolution, trait

usage: the trait of being resolute; "his resoluteness carried him through the battle"; "it was his unshakeable resolution to finish the work"

3. firmness, hardness

usage: the property of being unyielding to the touch

4. steadiness, firmness, immovability, immovableness

usage: the quality of being steady or securely and immovably fixed in place