Definitions for boldness

Random House Webster's College Dictionary

bold^*boʊld(adj.)-er, -est.

not hesitating or fearful in the face of danger; courageous.
scorning or ignoring the rules of propriety; forward; impudent.
requiring courage and daring:
bold deeds.
beyond the usual limits of conventional thought or action; inventive or imaginative:
a bold solution to a perplexing problem.
striking or conspicuous to the eye; flashy; showy:
a bold pattern.
steep; abrupt:
a bold promontory.
typeset in boldface.
Category: Printing
Obs. trusting; assured.

^* Syn: bold , brazen , forward , presumptuous refer to behavior or manners that break the rules of propriety. bold suggests 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: The forward young man challenged the speaker. presumptuous implies overconfidence, or taking too much for granted: It was presumptuous of her to think she could defeat the champion.

Origin of bold:

bef. 1000; ME bald, bold, OE b(e)ald; c. OS, OHG bald, ON ballr dire

bold′ness(n.)

Princeton's WordNet

boldness, daring, hardiness, hardihood(noun)
the trait of being willing to undertake things that involve risk or danger
"the proposal required great boldness"; "the plan required great hardiness of heart"
boldness, nerve, brass, face, cheek(noun)
impudent aggressiveness
"I couldn't believe her boldness"; "he had the effrontery to question my honesty"
boldness, strikingness(noun)
the quality of standing out strongly and distinctly