1. Boldness or daring, especially with confident or arrogant disregard for personal safety, conventional thought, or other restrictions.
2. Effrontery or insolence; shameless boldness.
3. Usually, audacities. audacious or particularly bold or daring acts or statements.
Adamsberg was beginning to take in her plan, based on two elements which were usually in contradiction: audacity and finesse. Together they made up an unpredictable force, like a battering ram with the delicacy of a needle. – Wash This Blood Clean from My Hand, Fred Vargas.