methamphetamine

noun

meth·am·phet·amine | \ˌme-tham-ˈfe-tə-ˌmēn,

-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

According to federal court documents, investigators found 63 grams of methamphetamine in a bedroom used by McCrorey. — Tony Rizzo, kansascity, "14-year-old charged in fatal shooting; drugs found at scene land woman in jail," 13 July 2018 The defendant, Adaucto Chavez-Meza, was arrested after offering to sell several pounds of methamphetamine to an undercover agent. — Jess Bravin, WSJ, "Rosenstein Takes a Pause—to Argue a Case Before the Supreme Court," 22 Apr. 2018 The Urbana Citizen reports the 29-year-old mother is charged with fifth-degree felonies of possession of cocaine, possession of fentanyl and possession of methamphetamine. — Cliff Pinckard, cleveland.com, "Ohio boy, 7, arrives at school accidentally high on cocaine, reports say," 20 Apr. 2018 Jessica Hanson, 31, was arraigned in Pierce County Superior Court Tuesday on a second-degree charge of abandoning her baby while on methamphetamine. — Josh Magness, star-telegram, "Woman left her hours-old newborn outside, covered in ants. She just got prison time | Fort Worth Star-Telegram," 12 Apr. 2018 The Indianapolis Metropolitan Police Department said in a news release that the pair sold 6 pounds of methamphetamine to undercover officers. — Vic Ryckaert, Indianapolis Star, "IMPD: Mother, son arrested with more than $1 million in cocaine, meth," 4 Apr. 2018 The drugs are similar to ecstasy and methamphetamine. — Christina Tkacik, baltimoresun.com, "Man who sold bath salts from China sentenced to prison," 12 July 2018 Further messages recovered indicated that Baldwin Jr. had also arranged to retrieve about $700 in methamphetamine to sell. — Holly V. Hays, Indianapolis Star, "Authorities charge 2 more men in death of Boone County Deputy Jacob Pickett," 11 July 2018 At age 6, Adul had already escaped a territory in Myanmar known for guerrilla warfare, opium cultivation and methamphetamine trafficking. — Hannah Beech, New York Times, "Stateless and Poor, Some Boys in Thai Cave Had Already Beaten Long Odds," 10 July 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.

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Last Updated

25 Sep 2018

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The first known use of methamphetamine was in 1949

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methamphetamine

noun

meth·am·phet·amine | \ˌmeth-am-ˈfet-ə-ˌmēn, ˌmeth-əm-, -mən

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