The noun bold has 1 sense (first 1 from tagged texts)
1. (1) boldface, bold face, bold -- (a typeface with thick heavy lines)
Overview of adj bold
The adj bold has 3 senses (first 2 from tagged texts)
1. (8) bold -- (fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure")
2. (3) bold -- (clear and distinct; "bold handwriting"; "a figure carved in bold relief"; "a bold design")
3. bluff, bold, sheer -- (very steep; having a prominent and almost vertical front; "a bluff headland"; "where the bold chalk cliffs of England rise"; "a sheer descent of rock")