The Collaborative International Dictionary of English v.0.48:
Haughtily \Haugh"ti*ly\ (h[add]"t[i^]*l[y^]), adv. [From Haughty.] In a haughty manner; arrogantly. [1913 Webster]WordNet (r) 3.0 (2006):
haughtily adv 1: in a haughty manner; "he peered haughtily down his nose"