Definition of knavishly in English:

knavishly

adverb

archaic
  • See knavish

    • ‘Thomas Blaize, Marlowe's actor friend who knavishly betrays Marlowe into order to save his own dishonorable neck, is pure fiction.’
    • ‘He was on his way to punish a black-hearted pirate, a faithless scoundrel, who had not only acted knavishly toward the world in general, but had behaved most disloyally and disrespectfully toward a fellow pirate chief.’