The Collaborative International Dictionary of English v.0.48:
Gluttonous \Glut"ton*ous\, a. Given to gluttony; eating to excess; indulging the appetite; voracious; as, a gluttonous age. -- Glut"ton*ous*ly, adv. -- Glut"ton*ous*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
gluttonously adv 1: in a gluttonous manner; "this man eats gluttonously!"