meth·​am·​phet·​amine | \ ˌme-tham-ˈfe-tə-ˌmēn How to pronounce methamphetamine (audio) , -thəm-, -mən\

Definition of methamphetamine

: a synthetic or semisynthetic compound C10H15N that stimulates the central nervous system, is used medically in the form of its crystalline hydrochloride C10H15N·HCl especially to treat attention deficit disorder and obesity, and that is often abused illicitly for its stimulant properties methamphetamine is a powerful addictive stimulant whose longtime consumers tend to suffer from paranoia, depression, hallucinations, and violent rages.— William Finnegan

called also meth, methedrine, speed

— compare crystal meth

Examples of methamphetamine in a Sentence

Recent Examples on the Web

The club owner, however, was eventually charged with selling methamphetamine. Kaitlyn Schallhorn, Fox News, "Kansas House candidate Paul Davis subject of new attack for his 'history with strip clubs'," 19 Sep. 2018 Rebbecca McCrorey, 38, is charged in U.S. District Court with possession with intent to distribute methamphetamine. Tony Rizzo, kansascity, "14-year-old charged in fatal shooting; drugs found at scene land woman in jail," 13 July 2018 Wochit A Pinal County man was arrested Monday on suspicion of selling methamphetamine near an elementary school in Arizona City, officials said. Angela Forburger, azcentral, "Man suspected of selling meth near elementary school," 27 June 2018 Aduacto Chavez-Meza pleaded guilty in 2013 to conspiracy and possession with intent to distribute methamphetamine. CNN, "Rod Rosenstein gets his day at the Supreme Court," 23 Apr. 2018 Roger Dale Goodman, 37, who already faced charges stemming from the incident, also faces a federal charge of conspiring with others to distribute methamphetamine. Darcy Costello, The Courier-Journal, "Man charged in connection with deadly February traffic stop faces new federal drug charge," 18 Apr. 2018 Eric Hinckley was charged 10 years later with selling methamphetamine to a confidential informant in Idaho Falls. Cynthia Sewell, idahostatesman, "Idaho governor’s 3rd-ever pardon is a drug convict devoting his life to mental health | Idaho Statesman," 13 Apr. 2018 All three are charged with possession with intent to distribute crystal methamphetamine. Eric Heisig,, "Feds: Summit County drug traffickers caught before killing man they believed stole 82 pounds of meth," 3 Apr. 2018 The store owners feared customers were using polish remover bought in excess to make methamphetamine. Lauren Le Vine, Redbook, "Morning Headlines: Why Mayim Bialik Blogged About Her Divorce, Phillip Lim for Target — and More," 13 Aug. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methamphetamine.' 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 methamphetamine

1949, in the meaning defined above

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Last Updated

22 May 2019

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Time Traveler for methamphetamine

The first known use of methamphetamine was in 1949

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More Definitions for methamphetamine


meth·​am·​phet·​amine | \ ˌmeth-am-ˈfet-ə-ˌmēn, ˌmeth-əm-, -mən How to pronounce methamphetamine (audio) \

Medical Definition of methamphetamine

: an amine C10H15N that is used medically in the form of its crystalline hydrochloride C10H15N·HCl especially to treat attention deficit disorder and obesity and that is often abused illicitly as a stimulant

called also meth, methedrine, methylamphetamine, speed

More from Merriam-Webster on methamphetamine Encyclopedia article about methamphetamine

Comments on methamphetamine

What made you want to look up methamphetamine? Please tell us where you read or heard it (including the quote, if possible).


one that collects or salvages junk

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