emboldenPronunciation: /ɪmˈbəʊld(ə)n, ɛm-/Definition of embolden verb [with object] 1give (someone) the courage or confidence to do something:emboldened by the claret, he pressed his knee against hers 2cause (a piece of text) to appear in a bold typeface:centre, embolden, and underline the headingembolden in other Oxford dictionaries Definition of embolden in the US English dictionary