Sly

Sly

(1):

(v. t.) Artfully cunning; secretly mischievous; wily.

(2):

(v. t.) Dexterous in performing an action, so as to escape notice; nimble; skillful; cautious; shrewd; knowing; - in a good sense.

(3):

(v. t.) Done with, and marked by, artful and dexterous secrecy; subtle; as, a sly trick.

(4):

(adv.) Slyly.

(5):

(v. t.) Light or delicate; slight; thin.