Daring; courageous; brave; intrepid; fearless: applied to men or animals: as, bold as a lion.Requiring or exhibiting courage; planned or executed with courage and spirit: as, a bold enterprise.Confident; trusting; assured.Forward; impudent; audacious: as, a bold huzzy.Overstepping usual bounds; presuming upon sympathy or forbearance; showing liberty or license, as in style or expression: as, a bold metaphor.Standing out to view; striking to the eye; markedly conspicuous; prominent: as, a bold headland; a bold handwriting.Steep; abrupt: as, a bold shore (one that enters the water almost perpendicularly).Deep, as water, close to the shore; navigable very near to the land.To make bold; embolden; encourage.To become bold.