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

He and four other inmates were using phones smuggled into prison to move large quantities of methamphetamine from California to South Carolina. Sherri A. Lydon, WSJ, "Let States Jam Prison Cellphones," 3 Apr. 2019 Privacy - Terms He was sentenced to two years in state prison in 2005 for possession of methamphetamine with the intent to sell, according to court records. Molly Sullivan, sacbee, "It was supposed to be a routine felon check. Then officers found the sub machine guns.," 12 June 2018 She had previously been charged with possession of methamphetamine with intent to distribute and with keeping or maintaining a public nuisance. Crimesider Staff, CBS News, "Woman charged with murder in death of Missouri officer," 15 Mar. 2018 On Wednesday the office of Henry County Prosecuting Attorney Richard Shields charged Widger, 37, with possession of methamphetamine with intent to deliver and maintaining a public nuisance, PEOPLE confirms., "Army Vet Police Officer Killed After 911 Call Sent Him to Wrong Address," 8 Mar. 2018 And in a particularly disturbing video that surfaced from 2013, two border officers are seen ordering 16-year-old Cruz Velazquez Acevedo to drink a solution containing methamphetamine, which eventually led to the teen’s death. De Elizabeth, Teen Vogue, "A Border Patrol Agent Has Been Called a "Serial Killer" by Police After Murdering 4 Women," 16 Sep. 2018 Motter had been convicted of possession of heroin before, and Geran was charged in 2016 for bringing methamphetamine into jail. Keith Bierygolick,, "After woman found dead near gun range, an explosive hostage situation unfolds in Butler Co.," 14 June 2018 He was arrested in the port city of Dalian for alleged involvement in a scheme to smuggle 222 kilograms of methamphetamine hidden inside tires to Australia. Chun Han Wong, WSJ, "China Defends Canadian’s Death Sentence as Huawei Tensions Simmer," 15 Jan. 2019 After overcoming both alcoholism and an addiction to methamphetamine, Jodie has now been sober since 2011, and regularly visits colleges to speak to students about her experiences. Emma Dibdin, Country Living, "All About Hallmark Star Jodie Sweetin's Difficult Journey to Find Love After Divorce," 15 Dec. 2018

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.

See More

First Known Use of methamphetamine

1949, in the meaning defined above

Keep scrolling for more

Learn More about methamphetamine

Statistics for methamphetamine

Last Updated

10 Apr 2019

Look-up Popularity

Time Traveler for methamphetamine

The first known use of methamphetamine was in 1949

See more words from the same year

Keep scrolling for more

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).


an act or instance of returning to life

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!