'Gainly' definitions:

Definition of 'gainly'

From: WordNet
adjective
Graceful and pleasing; "gainly conduct"; "a gainly youth with dark hair and eyes"

Definition of 'Gainly'

From: GCIDE
  • Gainly \Gain"ly\, adv. [See Gain, a.] Handily; readily; dexterously; advantageously. [Obs.] --Dr. H. More. [1913 Webster]