Source : Webster's Revised Unabridged Dictionary (1913)

Misguide \Mis*guide"\, v. t.
   To guide wrongly; to lead astray; as, to misguide the
   understanding.

Misguide \Mis*guide"\, n.
   Misguidance; error. [Obs.] --Spenser.

Source : WordNet®

misguide
     v 1: lead someone in the wrong direction or give someone wrong
          directions; "The pedestrian misdirected the out-of-town
          driver" [syn: {mislead}, {misdirect}, {lead astray}]
     2: give bad advice to [syn: {misadvise}]