'Swiftly' definitions:

Definition of 'swiftly'

From: WordNet
adverb
In a swift manner; "she moved swiftly" [syn: swiftly, fleetly]

Definition of 'Swiftly'

From: GCIDE
  • Swiftly \Swift"ly\, adv. In a swift manner; with quick motion or velocity; fleetly. --Wyclif. [1913 Webster]

Synonyms of 'swiftly'

From: Moby Thesaurus