Source : Webster's Revised Unabridged Dictionary (1913)

Immodestly \Im*mod"est*ly\, adv.
   In an immodest manner.

Source : WordNet®

immodestly
     adv : in an immodest manner; "the book was entitled, immodestly,
           `All about Wisdom'" [syn: {without modesty}] [ant: {modestly}]