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English definition of “sneaky”

sneaky

adjective uk   /ˈsniː.ki/ us  
doing things in a secret and unfair way: a sneaky plan
sneakily
adverb uk   /-kɪ.li/ us  
I rather sneakily looked in her diary when she was out last night.
(Definition of sneaky from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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