ENGLISH
REFERENCE

heroin

n. uncountable
C1 Advanced US //ˈhɛɹoʊən// UK //hˈɛɹəʊˌɪn// hero·in Archaic

n. a very strong and dangerous illegal drug that people usually inject or breathe in. It is highly addictive and causes serious health problems.

n. a highly addictive analgesic drug derived from morphine, typically used illicitly for its euphoric effects. Its manufacture and distribution are strictly controlled or prohibited in most jurisdictions.


SIMPLE

The police arrested the man for selling heroin.

CONTEXTUAL

Public health officials are working to reduce the number of deaths caused by heroin overdoses in the city.

COMPLEX

The documentary explores the devastating impact of heroin addiction on rural communities, focusing on the lack of accessible rehabilitation centers for those seeking recovery.

Synonyms
Usage

Uncountable in its general sense; occasionally used as a countable noun when referring to specific types or batches in a forensic or medical context.

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