The Collaborative International Dictionary of English v.0.48:
Immodestly \Im*mod"est*ly\, adv. In an immodest manner. [1913 Webster]WordNet (r) 3.0 (2006):
immodestly adv 1: without modesty; in an immodest manner; "the book was entitled, immodestly, `All about Wisdom'" [ant: modestly]