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
Manuel Betancourt-Renteria Manuel Betancourt-Renteria of Mexico has 10 convictions, including two counts of assault, possession of methamphetamine, possession of marijuana, larceny and five traffic offenses, according to DHS.
—Alexandra Koch, FOXNews.com, 25 Oct. 2025
The unsealed videos showed officers, including former CMPD officer Heather Loveridge, swarming the home of a man who was accused of trafficking methamphetamine.
—Charlotte Observer, 24 Oct. 2025
The prison drug ring involved the coordination of multi-pound deals on the outside, even in other states, as well as smuggling of methamphetamine and heroin into the prison, court records show.
—Nate Gartrell, Mercury News, 24 Oct. 2025
As that litigation unfolded, a federal grand jury indicted Tottleben on the methamphetamine charge in February 2021, but for reasons that are not clear in court records, he was not arrested until May 2023.
—Erik Ortiz, NBC news, 22 Oct. 2025
See All Example Sentences for methamphetamine
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Alexandra Koch, FOXNews.com, 25 Oct. 2025
The unsealed videos showed officers, including former CMPD officer Heather Loveridge, swarming the home of a man who was accused of trafficking methamphetamine.
—Charlotte Observer, 24 Oct. 2025
The prison drug ring involved the coordination of multi-pound deals on the outside, even in other states, as well as smuggling of methamphetamine and heroin into the prison, court records show.
—Nate Gartrell, Mercury News, 24 Oct. 2025
As that litigation unfolded, a federal grand jury indicted Tottleben on the methamphetamine charge in February 2021, but for reasons that are not clear in court records, he was not arrested until May 2023.
—Erik Ortiz, NBC news, 22 Oct. 2025
See All Example Sentences for methamphetamine
Cite this Entry
“Methamphetamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methamphetamine. Accessed 30 Oct. 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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