As nouns the difference between firmness and audaciousness
is that firmness is the state of being firm; strength; permanence; stability; hardness; resolution while audaciousness is risky or daring behaviour.
firmness
English
Noun
The state of being firm; strength; permanence; stability; hardness; resolution.
References
*
audaciousness
English
Noun
Risky or daring behaviour.
impudence
Synonyms
* audacity
Related terms
* audacious