The Collaborative International Dictionary of English v.0.48:

Deafly \Deaf"ly\, adv.
   Without sense of sounds; obscurely.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Deafly \Deaf"ly\, a.
   Lonely; solitary. [Prov. Eng.] --Halliwell.
   [1913 Webster]