audac- +

1. Daring or brave; confident and courageous.
2. Bold, courageous or adventurous.
3. Boldness; impudence.

Fortune favors the bold.

Also given as Audentes fortuna iuvat. (Fortune favors the daring). This motto for the bold and successful and for those who aspire to success was cited by many Roman writers. The English proverb, "Nothing ventured, nothing gained" provides another viewpoint of this Roman saying.

1. Bold, daring, or fearless; especially, in challenging certain assumptions or conventions.
2. Extremely bold or daring; recklessly brave; fearless: "My father was an audacious explorer."
3. Extremely original; without restriction to prior ideas; highly inventive: "The mayoral candidate had an audacious vision of the city's bright future."
4. Recklessly bold in defiance of convention, propriety, law, etc.; insolent; brazen.
5. Lively; unrestrained; uninhibited: "The actress had an audacious interpretation of her role in the drama."
6. Etymology: Formed from Latin audac-, the stem of audax, "bold", from audere, "to dare", from avidus, "eagerness" or "greed for something".

1. In an audacious manner.
2. In a fearless, often recklessly daring behavior; excessively bold.
3. In a bold way that challenges assumptions or conventions.

1. Aggressive boldness or unmitigated effrontery; reckless boldness; rashness.
2. Foolhardy disregard of danger; recklessness.

1. Boldness, fearless daring, intrepidity; confidence.
2. Boldness which is combined with disregard for the consequences; venturesomeness, rashness, recklessness.
3. Open disregard of the restraints of decorum or morality; effrontery, impudence, shamelessness.
4. Aggressive boldness or unmitigated effrontery: "She had the audacity to challenge my decision."

Lack of boldness or resolution, timidity.