adjective (slier or slyer, sliest or slyest)
- Dexterous in performing an action, so as to escape notice; nimble; skillful; cautious; shrewd; knowing; " in a good sense.
- Artfully cunning; secretly mischievous; wily.
- Done with, and marked by, artful and dexterous secrecy; subtle; as, a sly trick.
- Light or delicate; slight; thin.
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Full Definition of sly