Oxford Dictionary English rehab nounnoun BrE BrE//ˈriːhæb// ; NAmE NAmE//ˈriːhæb// [uncountable] Addiction, Conventional medicine Add to my wordlistjump to other resultsthe process of helping to cure somebody who has a problem with drugs or alcohol to go into rehab a rehab clinic Wordfinderdrugabuse, addict, deal, dependence, detoxification, drug, hallucinate, overdose, rehab, withdrawal Oxford Collocations DictionaryRehab is used before these nouns: clinic, programme See full entry See related entries: Addiction, Conventional medicine Word Origin1940s: abbreviation.See rehab in the Oxford Advanced American DictionaryCheck pronunciation: rehab oxfordlearnersdictionaries.com