methamphetamine
noun
meth·am·phet·amine
ˌme-tham-ˈfe-tə-ˌmēn 
-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
William Finnegancalled also meth, methedrine, speed
compare crystal methExamples of methamphetamine in a Sentence
Recent Examples on the Web
The group conspired to distribute nearly 400 pounds of methamphetamine and more than seven kilograms of fentanyl between September 2021 and November 2022, in cahoots with a Mexican cartel, the feds said.
—Theresa Braine, New York Daily News, 15 Jan. 2025
If completed, these sales would have helped fund and supply multiple armed militant groups in Burma, as well as distribute drugs such as methamphetamine and heroin across New York.
—Andrew Paul, Popular Science, 9 Jan. 2025
Originating in the state of Sinaloa, Mexico, the cartel has a notorious history and has played a significant role in the global drug trade, particularly in the trafficking of cocaine, heroin, methamphetamine, and marijuana.
—Natalie Venegas, Newsweek, 7 Jan. 2025
Nathaniel Dixson: Conspiracy to distribute methamphetamine.
—Hayleigh Colombo, The Indianapolis Star, 17 Dec. 2024
See all Example Sentences for methamphetamine 
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Theresa Braine, New York Daily News, 15 Jan. 2025
If completed, these sales would have helped fund and supply multiple armed militant groups in Burma, as well as distribute drugs such as methamphetamine and heroin across New York.
—Andrew Paul, Popular Science, 9 Jan. 2025
Originating in the state of Sinaloa, Mexico, the cartel has a notorious history and has played a significant role in the global drug trade, particularly in the trafficking of cocaine, heroin, methamphetamine, and marijuana.
—Natalie Venegas, Newsweek, 7 Jan. 2025
Nathaniel Dixson: Conspiracy to distribute methamphetamine.
—Hayleigh Colombo, The Indianapolis Star, 17 Dec. 2024
See all Example Sentences for methamphetamine
Dictionary Entries Near methamphetamine
Cite this Entry
“Methamphetamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methamphetamine. Accessed 23 Jan. 2025.
Copy CitationKids Definition
methamphetamine
noun
meth·am·phet·amine
ˌmeth-am-ˈfet-ə-ˌmēn
: 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
: 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
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