Pronunciation: (bōld),[key] —adj.,-er, -est. 1. not hesitating or fearful in the face of actual or possible danger or rebuff; courageous and daring: a bold hero. 2. not hesitating to break the rules of propriety; forward; impudent: He apologized for being so bold as to speak to the emperor. 3. necessitating courage and daring; challenging: a bold adventure. 4. beyond the usual limits of conventional thought or action; imaginative: Einstein was a bold mathematician. a difficult problem needing a bold answer. 5. striking or conspicuous to the eye; flashy; showy: a bold pattern. 6. steep; abrupt: a bold promontory. 7. Naut.deep enough to be navigable close to the shore: bold waters. 8. Print.typeset in boldface.
9. Obs.trusting; assured.
10. make bold, to presume or venture; dare: I made bold to offer my suggestion.