methamphetamine

noun

meth·​am·​phet·​amine ˌme-tham-ˈfe-tə-ˌmēn How to pronounce methamphetamine (audio)
-thəm-,
-mən
: 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 hyperactivity 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Officials arrested Gutierrez-Ochoa in Riverside, California, on Tuesday and is charged with international drug trafficking and money laundering offenses, following years of importing tons of methamphetamine and cocaine into the country. Matt Robison, Newsweek, 21 Nov. 2024 Tragically, Angus Cloud, who played Fez, died in July 2023 of an accidental overdose of fentanyl, cocaine and methamphetamine. Matt Webb Mitovich, TVLine, 20 Nov. 2024 During the search, officers found a plastic pencil box in the passenger seat containing cocaine, methamphetamine and oxycodone tablets. Bay City News Service, The Mercury News, 16 Nov. 2024 Among the drugs found in the home, according to MSP: Over 500 grams of methamphetamine; 10 grams of heroin; 6 grams of cocaine; and 371 grams of various pills, including oxycodone, gabapentin, and acetaminophen. Andrea May Sahouri, Detroit Free Press, 14 Nov. 2024 See all Example Sentences for methamphetamine 

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of methamphetamine was in 1949

Dictionary Entries Near methamphetamine

Cite this Entry

“Methamphetamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methamphetamine. Accessed 28 Nov. 2024.

Kids Definition

methamphetamine

noun
meth·​am·​phet·​amine ˌmeth-am-ˈfet-ə-ˌmēn How to pronounce methamphetamine (audio)
: a drug derived from amphetamine that is often used illegally as a stimulant of the central nervous system

Medical Definition

methamphetamine

noun
meth·​am·​phet·​amine ˌmeth-am-ˈfet-ə-ˌmēn, ˌmeth-əm-, -mən How to pronounce methamphetamine (audio)
: an amine C10H15N that is used medically in the form of its crystalline hydrochloride C10H15N·HCl especially to treat attention deficit hyperactivity disorder and obesity and that is often abused illicitly as a stimulant

called also meth, methedrine, methylamphetamine, speed

More from Merriam-Webster on methamphetamine

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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