D defs.my
Entry 3 senses · 2 variants Webster, 1913

defy

/(dē̇*fī")/ · de·fy · IPA /dɪˈfaɪ/
01 v. t. To renounce or dissolve all bonds of affiance, faith, or obligation with; to reject, refuse, or renounce.
imp. & p. p. Defied; p. pr. & vb. n. Defying
  1. 1.
    To renounce or dissolve all bonds of affiance, faith, or obligation with; to reject, refuse, or renounce.[Obs.]
    “I defy the surety and the bond.” Chaucer.
    “For thee I have defied my constant mistress.” Beau. & Fl.
  2. 2.
    To provoke to combat or strife; to call out to combat; to challenge; to dare; to brave; to set at defiance; to treat with contempt; as, to defy an enemy; to defy the power of a magistrate; to defy the arguments of an opponent; to defy public opinion.
    “I once again Defy thee to the trial of mortal fight.” Milton.
    “I defy the enemies of our constitution to show the contrary.” Burke.
02 n. A challenge.
  1. 1.
    A challenge.[Obs.]