Meaning of methadone in English:


Pronunciation /ˈmɛθədəʊn/

Translate methadone into Spanish


mass noun
  • A powerful synthetic analgesic drug which is similar to morphine in its effects but less sedative and is used as a substitute drug in the treatment of morphine and heroin addiction.

    ‘I am pumped full of drugs: methadone, morphine, opium, marijuana, the whole lot.’
    • ‘The alternative treatment for heroin addiction is the drug methadone which is taken in tablet form.’
    • ‘Only this week I have had ketamine and methadone, both controlled drugs that merit an article themselves.’
    • ‘One of the key components of programmes designed to get users off drugs is the heroin substitute, methadone.’
    • ‘This prisoner has been placed on methadone, the morphine substitute drug.’
    • ‘Among the treatments offered are prescriptions for the heroin substitute methadone and structured courses of day care.’
    • ‘The project, the first of its kind in the York area, aims to help addicts of heroin and other opiate drugs such as methadone.’
    • ‘She hopes the course in methadone, a heroin substitute, will help her get her life back together.’
    • ‘He said she was prescribed such large amounts of the heroin substitute methadone that she could stockpile it.’
    • ‘Where I was brought up, heroin and methadone was the big problem from age sixteen.’
    • ‘He thought he could carry on if he was addicted to methadone rather than heroin.’
    • ‘But whereas heroin can be replaced with methadone, no drug has been found to substitute for cocaine.’
    • ‘The doctor was concerned about this, because the friend was also a heroin addict and was using methadone for his own treatment.’
    • ‘Maintenance of addicts on methadone reduces the incidence of fatal and non-fatal heroin overdoses.’
    • ‘Most people know of methadone only as the drug used to withdraw heroin addicts.’
    • ‘The Scottish executive has substantially widened access to methadone as a substitute for heroin addicts.’
    • ‘You can be given scripts for methadone and other treatments, but this is just to keep the crime figures down.’
    • ‘These were followed by methadone, then amphetamines and methamphetamines.’
    • ‘Some addicts become as reliant on methadone as they were on heroin.’
    • ‘Drug workers stress that methadone is just one option for treatment that is appropriate only in certain cases.’


1940s from its chemical name, (6-di)meth(yl)a(mino-4,4-)d(iphenyl-3-heptan)one.