Definition of slyness noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈslaɪnəs//
    ; NAmE NAmE//ˈslaɪnəs//
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  1. 1(disapproving) behaviour that is secret and dishonest, often intending to trick people synonym cunning
  2. 2behaviour that suggests that you know something secret that other people do not know