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English definition of “sneak”

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sneak

verb [always + adv/prep]  /snik/ ( past tense and past participle sneaked or snuck  /snʌk/) us  
to go or do something secretly, or take someone or something somewhere secretly: [I always + adv/prep] He sneaked out of the house, going out through the back way. [T] I sneaked a look at my watch. [T] Make sure you sneak a little bit of protein into your snacks. [I always + adv/prep] He snuck out of the budget meeting and went back to the lab.
Phrasal verbs
(Definition of sneak from the Cambridge Academic Content Dictionary © Cambridge University Press)
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