The Collaborative International Dictionary of English v.0.48:
Glaring \Glar"ing\, a. Clear; notorious; open and bold; barefaced; as, a glaring crime. -- Glar"ing*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
glaringly adv 1: in a glaring manner; "it was glaringly obvious"