Definition of naloxone in English:


Syllabification: nal·ox·one
Pronunciation: /nəˈläksōn


  • A synthetic drug, similar to morphine, that blocks opiate receptors in the nervous system.
    More example sentences
    • Antagonist drugs such as naloxone can block the actions of opioid agonists.
    • Moreover, several studies reported that precipitating withdrawal in opiate-dependent animals by an injection of the opiate antagonist, naloxone, increases morphine self-administration.
    • Drugs such as the opioid antagonist naloxone and the benzodiazepine antagonist flumazenil may be used to counter the respiratory depressive effects of these drugs.


1960s: contraction of N-allylnoroxymorphone.

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Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody