lock someone out Meaning in the Cambridge English Dictionary
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Meaning of “lock someone out” in the English Dictionary

"lock someone out" in American English

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lock someone out

phrasal verb with lock  us   /lɑk/ verb [I/T]
to ​prevent someone from getting into a ​building, ​room, or ​vehicle: I ​forgot that my ​dad didn't have ​keys, and I locked him out of the ​house. The ​doorslammed and ​ourkeys were inside – so we were locked out (= ​unable to get in).
(Definition of lock someone out from the Cambridge Academic Content Dictionary © Cambridge University Press)
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