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
Sun Sentinel Deputies kill garden shear-wielding Florida man who swam through alligators
Timothy Schulz, who had a long history of methamphetamine abuse, shook off a gator bite and two Tasings, Polk Sheriff Grady Judd said.
—South Florida Sun Sentinel, Sun Sentinel, 27 May 2025
Passed by more than 68% of voters, Prop. 36 increased the punishment for two high-profile offenses, repeat petty thefts and repeat use of hard drugs such as cocaine, fentanyl, heroin, and methamphetamines.
—Tom Philp, Mercury News, 20 May 2025
Prosecutors said the couple, who were in the midst of a multi-day methamphetamine binge, tortured Cristina by leaving her alone in the sweltering car for five hours and 42 minutes on Aug. 15, 2019.
—Nicole Acosta, People.com, 17 May 2025
The deadliest versions of such counterfeit drugs may also contain fentanyl, methamphetamine or other dangerous drugs such as Xylazine that may lead to overdose and death.
—Robert Glatter, Forbes.com, 15 May 2025
See All Example Sentences for methamphetamine
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South Florida Sun Sentinel, Sun Sentinel, 27 May 2025
Passed by more than 68% of voters, Prop. 36 increased the punishment for two high-profile offenses, repeat petty thefts and repeat use of hard drugs such as cocaine, fentanyl, heroin, and methamphetamines.
—Tom Philp, Mercury News, 20 May 2025
Prosecutors said the couple, who were in the midst of a multi-day methamphetamine binge, tortured Cristina by leaving her alone in the sweltering car for five hours and 42 minutes on Aug. 15, 2019.
—Nicole Acosta, People.com, 17 May 2025
The deadliest versions of such counterfeit drugs may also contain fentanyl, methamphetamine or other dangerous drugs such as Xylazine that may lead to overdose and death.
—Robert Glatter, Forbes.com, 15 May 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 13 Jun. 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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