[1] : The Collaborative International Dictionary of English v.0.48

wily \wil"y\, a. compar. wilier; superl. wiliest. from
   wile.
   full of wiles, tricks, or stratagems; using craft or
   stratagem to accomplish a purpose; mischievously artful;
   subtle. "wily and wise." --chaucer. "the wily snake."
   --milton.
   1913 webster

         this false, wily, doubling disposition of mind.
                                                  --south.
   1913 webster

   syn: cunning; artful; sly; crafty. see cunning.
        1913 webster
see also:
wilier wiliest wile cunning 

[2] : WordNet (r) 2.0

wily
     adj : marked by skill in deception; "cunning men often pass for
           wise"; "deep political machinations"; "a foxy scheme";
           "a slick evasive answer"; "sly as a fox"; "tricky dik";
           "a wily old attorney" syn: crafty, cunning, dodgy,
            foxy, guileful, knavish, slick, sly, tricksy,
            tricky
     also: wiliest, wilier
see also:
crafty cunning dodgy foxy guileful knavish 
slick sly tricksy tricky wiliest 
wilier 

[3] : Moby Thesaurus II by Grady Ward, 1.0

69 moby thesaurus words for "wily":
   byzantine, machiavellian, machiavellic, acute, arch, artful,
   astute, cagey, calculating, canny, chiseling, clever, collusive,
   covinous, crafty, cunning, cute, deceitful, deep, deep-laid,
   designing, devious, diplomatic, false, falsehearted, feline,
   finagling, foxy, fraudulent, furtive, guileful, indirect,
   ingenious, insidious, inventive, knowing, pawky, politic, ready,
   resourceful, sagacious, scheming, serpentine, sharp, shifty,
   shrewd, slick, slippery, sly, smooth, snaky, sneaky, sophistical,
   stealthy, strategic, subtile, subtle, supple, surreptitious,
   tactical, treacherous, trickish, tricksy, tricky, two-faced,
   underhand, underhanded, vulpine, wary

Wily >> W Words
Wily, definition of term: Wily
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