'Dirtily' definitions:

Definition of 'dirtily'

From: WordNet
adverb
In a sordid manner; "as dirtily drunk as usual"
adverb
In a filthy unclean manner; "a dirtily dressed camel driver" [syn: dirtily, filthily]

Definition of 'Dirtily'

From: GCIDE
  • Dirtily \Dirt"i*ly\, adv. In a dirty manner; foully; nastily; filthily; meanly; sordidly. [1913 Webster]