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English definition of “rehab”

rehab

noun [U]     /ˈriː.hæb/ informal
the process of helping someone to stop taking drugs or alcohol : She's just finished four months of rehab. a rehab clinic After his arrest in 2011, he checked himself into rehab to get over his heroin addiction .Recovering from illnessAddictionDrug addiction
(Definition of rehab noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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