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
Witzel took medication for ADHD, Coleman says, which sometimes includes levels of methamphetamine.
—Megan Stringer, Axios, 10 Feb. 2025
Year-end statistics from the state Crime Laboratory show that 554 labs were confiscated in 1999, up from 433 the year before, in a continuation of a rapid climb that began six years ago in a state where methamphetamine is now considered one of law enforcement's top problems.
—The Arkansas Democrat-Gazette, arkansasonline.com, 5 Feb. 2025
Castro was sentenced in 2023 to 10 years in prison for trafficking methamphetamine.
—Matthew Ormseth, Los Angeles Times, 18 Jan. 2025
Officers searched the car and found a bag that contained marijuana, crack cocaine, ecstasy and methamphetamine, leading to the arrest of a passenger, Stephon Ford, according to Tuesday’s ruling.
—Jim Saunders, Sun Sentinel, 8 Jan. 2025
See all Example Sentences for methamphetamine 
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Megan Stringer, Axios, 10 Feb. 2025
Year-end statistics from the state Crime Laboratory show that 554 labs were confiscated in 1999, up from 433 the year before, in a continuation of a rapid climb that began six years ago in a state where methamphetamine is now considered one of law enforcement's top problems.
—The Arkansas Democrat-Gazette, arkansasonline.com, 5 Feb. 2025
Castro was sentenced in 2023 to 10 years in prison for trafficking methamphetamine.
—Matthew Ormseth, Los Angeles Times, 18 Jan. 2025
Officers searched the car and found a bag that contained marijuana, crack cocaine, ecstasy and methamphetamine, leading to the arrest of a passenger, Stephon Ford, according to Tuesday’s ruling.
—Jim Saunders, Sun Sentinel, 8 Jan. 2025
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 20 Feb. 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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