Synonyms of adv dreadfully
2 senses of dreadfully
Sense 1
dreadfully, awfully, horribly -- (of a dreadful kind; "there was a dreadfully bloody accident on the road this morning")
Sense 2
dismally, dreadfully -- (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")