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English definition of “narcotic”

narcotic

noun [C]  /nɑrˈkɑt̬·ɪk/ us  
a type of drug that causes sleep and that is used medically to reduce the strength of pain, and that in some forms is also used illegally
narcotic
adjective  /nɑrˈkɑt̬·ɪk/ us  
narcotic painkillers
(Definition of narcotic from the Cambridge Academic Content Dictionary © Cambridge University Press)
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