meth·​a·​done | \ ˈme-thə-ˌdōn How to pronounce methadone (audio) \
variants: or less commonly methadon \ ˈme-​thə-​ˌdän How to pronounce methadon (audio) \

Definition of methadone

: a synthetic addictive narcotic drug C21H27NO used especially in the form of its hydrochloride for the relief of pain and as a substitute narcotic in the treatment of heroin addiction

Examples of methadone in a Sentence

Recent Examples on the Web

And tapering off of methadone or Suboxone can trigger the same symptoms of withdrawal as heroin or oxycodone. Wired, "A Detox Drug Promises Miracles—If It Doesn't Kill You First," 15 Sep. 2019 Some hospitals use morphine drops, while others use methadone and sometimes sedatives. Time, "'It's a National Problem.' How Hospitals Are Treating Opioid Addiction's Youngest Sufferers," 14 Feb. 2018 Opioids such as methadone cause cognitive impairment. Joel Lewin, Quartz, "There’s no such thing as a “functioning alcoholic”," 5 Sep. 2019 Bill Shiflett was wounded in an exchange of gunfire while responding to an active shooter at a North Baltimore methadone clinic in July. Mckenna Oxenden,, "Baltimore police still seeking men who shot Sgt. Carrington as another officer comes under fire," 28 Aug. 2019 Science has made clear that three medicines — methadone, buprenorphine and extended-release naltrexone — can effectively treat what specialists prefer to call opioid use disorder. Lauran Neergaard, The Denver Post, "Researchers peek into opioid users’ brains as they try to quit," 9 July 2019 Naloxone is a drug that reverses an overdose involving opiates such as heroin, fentanyl, methadone, and opioid prescription pain relievers (OxyContin, Percocet, Vicodin, etc). Tessie Castillo, SELF, "Here’s How to Use the Opioid Overdose Reversal Drug Naloxone," 26 July 2018 And the methadone clinic doesn't accept the family's medical insurance. Brenda Cain,, "Skyrocketing cost of methadone treatments could break the Everhart family budget: A Greater Cleveland," 14 Feb. 2018 Agency spokeswoman Karen Martucci says 300 inmates at York were on methadone treatment last year. USA TODAY, "Barbie, Tupac, scorpions and Red Vines: News from around our 50 states," 19 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methadone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of methadone

1947, in the meaning defined above

History and Etymology for methadone

methyl + amino + diphenyl + -one

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Last Updated

22 Oct 2019

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Time Traveler for methadone

The first known use of methadone was in 1947

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English Language Learners Definition of methadone

: a drug that people take to help them stop taking heroin


meth·​a·​done | \ ˈmeth-ə-ˌdōn How to pronounce methadone (audio) \
variants: also methadon \ -​ˌdän How to pronounce methadon (audio) \

Medical Definition of methadone

: a synthetic addictive narcotic drug used especially in the form of its hydrochloride C21H27NO·HCl for the relief of pain and as a substitute narcotic in the treatment of heroin addiction

called also amidone

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Rhyming Dictionary: Words that rhyme with methadone

Nglish: Translation of methadone for Spanish Speakers Encyclopedia article about methadone

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