Definition of opiate in English:


Pronunciation /ˈōpēət/ /ˈoʊpiət/ /ˈōpēˌāt/ /ˈoʊpiˌeɪt/

See synonyms for opiate

Translate opiate into Spanish


  • Relating to, resembling, or containing opium.

    ‘the use of opiate drugs’
    • ‘Anti-cancer drugs and radiotherapy commonly produce nausea and vomiting, as do other drugs active in the central nervous system, including opiate pain killers (morphine, heroin) and also alcohol.’
    • ‘The project, the first of its kind in the York area, aims to help addicts of heroin and other opiate drugs such as methadone.’
    • ‘By using opiate analgesics and sedatives to provide comfort to a dying patient, we risk depressing respirations and causing hypotension, which may hasten death.’
    • ‘As the name might suggest, cells with opiate receptors respond to opium and its derivatives, morphine and heroin.’
    • ‘Heroin is a powerful opiate analgesic derived from morphine.’
    • ‘Although patients with pain may request opiate analgesics, it is best to emphasize the benign treatments mentioned previously.’
    • ‘He claimed that the practice of giving fishermen a strong opiate drug for withdrawal was just as dangerous as heroin as there was no way of monitoring its use at sea.’
    • ‘Small studies have suggested that the opiate antagonist naltrexone is effective for treating alcohol addiction.’
    • ‘The addition of opiate drugs in epidurals can create further risks for the mother, such as respiratory depression.’
    • ‘Both were white women with a college education, and both used prescription opiate drugs along with heroin.’


  • 1A drug derived from or related to opium.

    ‘the opiates are known to have natural counterparts called endorphins’
    • ‘The specimens are tested for marijuana, cocaine, opiates, amphetamines, PCP, and five other drugs.’
    • ‘There is no difference between men and women on lifetime prevalence of cannabis, cocaine, amphetamines, opiates, or sedatives.’
    • ‘On the other hand, the state increased its regulation of legally manufactured drugs such as amphetamine, opiates, opioids, and, to a lesser extent, barbiturates and tranquilizers.’
    • ‘A urine drug screen for cocaine, opiates, and methamphetamine was conducted on each potential participant.’
    • ‘No errors were found for current dependency on amphetamine, opiates, PCP, hallucinogens, and inhalants.’
    • ‘Drugs such as opiates and cocaine are clearly very enjoyable, and users often report that such drugs produce intense feelings of pleasure.’
    • ‘Methadone is a synthetic opiate, similar to heroin, that blocks the effects of heroin and eliminates withdrawal symptoms.’
    • ‘Drugs counsellors generally agree that residential treatment is the only means by which most addicts will permanently quit opiates - heroin, cocaine and methadone.’
    • ‘Lifestyle factors such as smoking, drug use (especially cocaine or opiates like heroin) and excessive alcohol consumption can affect sexual function.’
    • ‘The 10-minute test can detect cannabis up to 14 days after it is taken, but only three to five days after cocaine, amphetamines or opiates are used.’
    • ‘A survey of general practitioners in Leicestershire has shown they are seriously dissatisfied with the systems in place for handling controlled drugs such as opiates.’
    • ‘This is a shortcoming that is probably unavoidable and applies to all double blind studies comparing opiates with other drugs.’
    • ‘In this case, the drug was an opiate called Percocet, a prescription pain medication.’
    • ‘Any painkillers containing opiates, such as laudanum, were out of the question until the concussion went away.’
    • ‘Whether it be alcohol, cannabis, opiates, Khat, cocaine, nicotine or merely caffeine, few of us seem able to face life without chemical crutches.’
    • ‘The agents treat opiate addiction by preventing symptoms of withdrawal from heroin and other opiates.’
    • ‘The results of a urine toxicology screen were positive for opiates and cocaine.’
    • ‘Spanish pharmacies had become paradises for dope fiends, and heroin users often maintained themselves with opiates and tranquilizers obtained in these facilities.’
    • ‘A legal opiate analog such as methadone may be substituted for the abused opiate, with the methadone dosage then slowly reduced.’
    • ‘Powdered morphine, which is an opiate, sprinkled directly on the wound and oral opium also were used widely as analgesics.’
    drug, narcotic, mind-altering drug, sedative, tranquillizer, depressant, sleeping pill, soporific, anaesthetic, painkiller, analgesic, anodyne
    View synonyms
    1. 1.1A thing which soothes or stupefies.
      • ‘the capacity to use books as an opiate’

transitive verb

[with object]
  • Dull the senses of (someone) with or as if with opium.

    ‘he grew old and soft, opiating himself into a dreaming bliss’
    • ‘they opiate the people with the promises of social change that they fail to keep’


    the opiate of the masses
    • Something regarded as inducing a false and unrealistic sense of contentment among people.


Late Middle English (as a noun): from medieval Latin opiatus (adjective), opiatus (noun), based on Latin opium (see opium).