'Dashingly' definitions:

Definition of 'dashingly'

From: WordNet
adverb
In a highly fashionable manner; "he was dashingly handsome"

Definition of 'Dashingly'

From: GCIDE
  • Dashingly \Dash"ing*ly\, adv. Conspicuously; showily. [Colloq.] [1913 Webster]
  • A dashingly dressed gentleman. --Hawthorne. [1913 Webster]