awfully

As adverbs the difference between awfully and pretty

is that awfully is in a manner inspiring awe while pretty is somewhat, fairly, quite; sometimes also (by meiosis) very.

As an adjective pretty is

cunning; clever, skilful.

As a noun pretty is

something that is pretty.

As a verb pretty is

to make pretty; to beautify.

Deucedly is a synonym of awfully.

As adverbs the difference between awfully and deucedly

is that awfully is in a manner inspiring awe while deucedly is quite; extremely.