not hesitating or fearful in the face of actual or possible danger or rebuff; courageous and daring: a bold hero.
not hesitating to break the rules of propriety; forward; impudent: He apologized for being so bold as to speak to the emperor.
necessitating courage and daring; challenging: a bold adventure.
beyond the usual limits of conventional thought or action; imaginative: Einstein was a bold mathematician. a difficult problem needing a bold answer.
striking or conspicuous to the eye; flashy; showy: a bold pattern.
steep; abrupt: a bold promontory.
Nautical. deep enough to be navigable close to the shore: bold waters.
Printing. typeset in boldface.
Obsolete. trusting; assured.
Idioms for bold
be / make (so) bold, to presume or venture; dare: I made bold to offer my suggestion.
Origin of bold
before 1000; Middle English bald, bold,Old English b(e)ald; cognate with Old Saxon, Old High German bald,Dutch boud bold, Old Norse ballr dire <Germanic *bál-tha-z; akin to Welsh balch proud, Irish balc strong <*bal-ko-
2. Bold,brazen,forward,presumptuous may refer to manners in a derogatory way. Bold suggests impudence, shamelessness, and immodesty: a bold stare.Brazen suggests the same, together with a defiant manner: a brazen liar.Forward implies making oneself unduly prominent or bringing oneself to notice with too much assurance. Presumptuous implies overconfidence, effrontery, taking too much for granted.