'Dreadfully' definitions:

Definition of 'dreadfully'

(from WordNet)
adverb
Of a dreadful kind; "there was a dreadfully bloody accident on the road this morning" [syn: dreadfully, awfully, horribly]
adverb
In a dreadful manner; "as he looks at the mess he has left behind he must wonder how the Brits so often managed to succeed in the kind of situation where he has so dismally failed" [syn: dismally, dreadfully]

Definition of 'Dreadfully'

From: GCIDE
  • Dreadfully \Dread"ful*ly\, adv. In a dreadful manner; terribly. --Dryden. [1913 Webster]