Definition of heroin in English:

heroin

noun

mass noun
  • A highly addictive analgesic drug derived from morphine, often used illicitly as a narcotic producing euphoria.

    Alternative name: diacetylmorphine; chemical formula: C₁₇H₁₇NO(C₂H₃O₂)₂

    • ‘Adrian died of a heroin overdose which some of his friends thought was deliberate.’
    • ‘Any person trying heroin or any addictive drug for the first time knows that it can hook you.’
    • ‘Using heroin through injection has many associated risks, mainly from sharing needles, which is common among injectors.’
    • ‘Caffeine is addictive and hooks you in the same way as amphetamines, cocaine and heroin.’
    • ‘Due to this classification, it does not incur such penalties as cocaine or heroin do.’
    • ‘At that time, street heroin use was virtually unknown in Australia.’
    • ‘The chemists targeted provide the heroin substitute methadone to addicts under the Methadone Treatment Scheme.’
    • ‘Hand guns and heroin were seized by drugs squad police in the latest Crack Down raids.’
    • ‘The defence said that all these had been triggered by his heroin addiction and the need to get cash to feed it.’
    • ‘There was a small article about Cobain having an accidental heroin overdose in Italy.’
    • ‘Yes, the use of heroin and harder drugs has also risen steadily there over a similar period.’
    • ‘Prescription heroin maintenance was standard practice in England from the 1920s to 1960s.’
    • ‘In each case, the drug user had been injecting heroin into subcutaneous tissue.’
    • ‘People say it is the start of the slippery slope to harder things like cocaine and heroin.’
    • ‘I got into heroin when a mate came to my flat and asked if he could use the toilet.’
    • ‘When he was 16, his mother, a heroin addict, killed herself.’
    • ‘It is widely used as a substitute for patients who are attempting to combat addiction to heroin.’
    • ‘About $1.5 million worth of pure South American heroin is sold in the city every day.’
    • ‘After all, we give heroin addicts methadone don't we?’
    • ‘In the past he had been addicted to heroin and crack cocaine but was now trying to get treatment and detox.’
    drugs, narcotics, addictive drugs, recreational drugs, illegal drugs
    View synonyms

Origin

Late 19th century: from German Heroin, from Latin heros ‘hero’ (because of its effects on the user's self-esteem).

Pronunciation

heroin

/ˈhɛrəʊɪn/