wily

adj

Etymology: From Middle English wily, wiley, wyly. By surface analysis, wil(e) + -y.

1. Sly, cunning, full of tricks.

   “Horatio's new girlfriend is a wily coquette, and poor Horatio is too smitten to see it.”

   “Of all the medical monsters Peter Hotez could have set out to slay, the Yale University researcher could not have chosen a more wily and obscure villain than the hookworm.”