'Impossibly' definitions:
Definition of 'impossibly'
(from WordNet)
adverb
To a degree impossible of achievement; "long thought to be an impossibly difficult operation"; "impossibly far from sources of supply" [ant: possibly]
Definition of 'Impossibly'
From: GCIDE
- Impossibly \Im*pos"si*bly\, adv. Not possibly. --Sir. T. North. [1913 Webster]