Definition of hard drug noun from the Oxford Advanced Learner's Dictionary


hard drug

BrE BrE//ˌhɑːd ˈdrʌɡ//
; NAmE NAmE//ˌhɑːrd ˈdrʌɡ//
[usually plural] Addiction
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a powerful illegal drug, such as heroin, that some people take for pleasure and can become addicted to compare soft drug See related entries: Addiction
See the Oxford Advanced American Dictionary entry: hard drug