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English definition of “let sb/sth in”

let sb/sth in

phrasal verb with let     /let/ verb (present participle letting, past tense and past participle let)
B2 to allow someone or something to enter: She opened the door and let me in. These shoes are starting to let water in.Arriving, entering and invadingAllowing and permitting
(Definition of let sb/sth in from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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