ˈwīlē, -li adjective
( -er/-est )
Etymology: Middle English, from wil wile + -y
1. : full of guile : crafty
too wily a villain to remain in a place where he knows he will be searched for — C.B.Nordhoff & J.N.Hall
led us by devious routes along precipitous trails … to film the wily sheep — A.M.Bailey
2. : showing artful cunning : clever , subtle
it was wily of her to wear a green stone … that intensified the green of her eyes — Frances Towers
Synonyms: see sly