WILY

crafty, cunning, dodgy, foxy, guileful, knavish, slick, sly, tricksy, tricky, wily

(adjective) 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 Dick”; “a wily old attorney”

Source: WordNet® 3.1

Etymology

Adjective

wily (comparative wilier or more wily, superlative wiliest or most wily)

Sly, cunning, full of tricks

Synonyms

• See also wily

Source: Wiktionary

Wil"y, a. [Compar. Wilier; superl. Wiliest.] Etym: [From Wile.]

Definition: 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. This false, wily, doubling disposition of mind. South.

Syn.

– Cunning; artful; sly; crafty. See Cunning.

Source: Webster’s Unabridged Dictionary 1913 Edition