Definition of sneaky adjective from the Oxford Advanced American Dictionary

     

    sneaky

     adjective
    adjective
    NAmE//ˈsniki//
     
    (sneakier, sneakiest)(informal)
     
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  1. 1behaving in a secret and sometimes dishonest or unpleasant way synonym crafty
  2. 2 I took a sneaky glance at my watch. That was a sneaky trick!
NAmE//ˈsnikəli//
 
adverb
See the Oxford Advanced Learner's Dictionary entry: sneaky