'Monstrously' definitions:

Definition of 'monstrously'

From: WordNet
adverb
In a hideous manner; "her face was hideously disfigured after the accident" [syn: hideously, horridly, monstrously]
adverb
In a terribly evil manner; "the child was heinously murdered" [syn: heinously, monstrously]
adverb
In a grotesque manner; "behind the house lay two nude figures grotesquely bald, with deliberate knife-slashes marking their bodies" [syn: grotesquely, monstrously]

Definition of 'Monstrously'

From: GCIDE
  • Monstrously \Mon"strous*ly\, adv. In a monstrous manner; unnaturally; extraordinarily; as, monstrously wicked. "Who with his wife is monstrously in love." --Dryden. [1913 Webster]