The Collaborative International Dictionary of English v.0.48:

Misguide \Mis*guide"\, n.
   Misguidance; error. [Obs.] --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Misguide \Mis*guide"\, v. t.
   To guide wrongly; to lead astray; as, to misguide the
   understanding.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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, misguide, lead
         astray]
    2: give bad advice to [syn: misadvise, misguide]