de·fy 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.   --Chaucer.
     For thee I have defied my constant mistress.   --Beau. & Fl.
  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.
  defy
       v 1: resist or confront with resistance; "The politician defied
            public opinion"; "The new material withstands even the
            greatest wear and tear"; "The bridge held" [syn: withstand,
             hold, hold up]
       2: elude, especially in a baffling way; "This behavior defies
          explanation" [syn: resist, refuse] [ant: lend oneself]
       3: challenge; "I dare you!" [syn: dare]
       [also: defied]