Definition of “narcotic” - English Dictionary

“narcotic” in British English

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narcoticnoun [ C ]

uk /nɑːˈkɒt.ɪk/ us /nɑːrˈkɑːt̬.ɪk/

mainly US an illegal drug such as heroin or cocaine:

He faces three years in jail for selling narcotics.

specialized medical a drug that makes you want to sleep and prevents you feeling pain:

Morphine is a narcotic.

narcoticadjective

uk /nɑːˈkɒt.ɪk/ us /nɑːrˈkɑːt̬.ɪk/

(Definition of “narcotic” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“narcotic” in American English

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narcoticnoun [ C ]

us /nɑrˈkɑt̬·ɪk/

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 us /nɑrˈkɑt̬·ɪk/

narcotic painkillers

(Definition of “narcotic” from the Cambridge Academic Content Dictionary © Cambridge University Press)