adjective, sly·er, sly·est.
Origin of sly
SYNONYMS FOR sly
Examples from the Web for slyness
He appeared to be somewhat excited, and went about his operations with an air at once of slyness and of mystery.The Lonely Island|R.M. Ballantyne
The sharp-faced fox is a very epitome of cunning, and his name is a by-word for slyness.Heads and Tales|Various
She had read him and was openly rejoicing in what she thought his slyness.The Call of the Blood|Robert Smythe Hichens
When the Crow was too lazy to search for food, she would resort to slyness.Verotchka's Tales|Mamin Siberiak
The slyness and its sisterly innocence lit up our eyes, and our hearts laughed.The Adventures of Harry Richmond, Complete|George Meredith
British Dictionary definitions for slyness
adjective slyer, slyest, slier or sliest
Derived Formsslyly or slily, adverbslyness, noun
Word Origin for sly
Idioms and Phrases with slyness
see on the sly.