This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The state of being firm; strength; permanence; stability; hardness; resolution.

n. The state or quality of being firm.

n. The state or quality of being firm; compactness; hardness; solidity; stability; strength; steadfastness; resoluteness; constancy; fixedness; certainty: as, the firmness of jelly; firmness of flesh; firmness of union; the firmness of a purpose; the firmness of a judge.

n. In phrenology, an organ situated toward the back part of the head, between self-esteem and veneration. Its function is said to be to produce determination, constancy, and perseverance.

n. the quality of being steady or securely and immovably fixed in place

n. the property of being unyielding to the touch

n. the muscle tone of healthy tissue

n. the trait of being resolute

"It was partly an inheritance from a stupid tradition, which tried to combine what it called firmness with what it called conciliation; as if when we made up our minds to soothe a man with a five-pound note, we always took care to undo our own action by giving him a kick as well."

hardness    strength   

constancy    fixedness    courage   

firm   

fortitude    steadiness    gentleness    tact    calmness    boldness    earnestness    courage    coolness    prudence