Audacious/ɔːˈdeɪʃəs/ Definition 1 of 2Pro Tip 1/3Positive Spin Often implies admiration for bold actions, may signal approval. Her audacious spirit inspired many to follow their dreams. Pro Tip 2/3Not Always Wise Audacious acts aren't necessarily sensible. Sometimes they're risky or reckless. His audacious investment could have resulted in bankruptcy. Pro Tip 3/3Surprise Element The boldness of the action usually surprises others. She made an audacious move, starting a new trend.