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English definition of “lose”

lose

verb [T] (NOT BE ABLE TO FIND)   /luz/ (past tense and past participle lost  /lɔst/)
to not be able to find something: I lost my keys somewhere in the house. Two officers chased the suspect, but he turned down an alley and they lost sight of him (= could no longer see him).
(Definition of lose verb (NOT BE ABLE TO FIND) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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