defy /(dē̇*fī")/

de·fy

defy

v. t.

imp. & p. p. Defied; p. pr. & vb. n. Defying

  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.
    For thee I have defied my constant mistress.
  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.
    I defy the enemies of our constitution to show the contrary.

defy

n.
  1. A challenge. [Obs.]