Guile"ful*ness

from The Collaborative International Dictionary of English v.0.48

Guileful \Guile"ful\, a.
   Full of guile; characterized by cunning, deceit, or
   treachery; guilty. -- {Guile"ful*ly}, adv. --
   {Guile"ful*ness}, n.
   [1913 Webster]