methamphetamine

A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.

Noun

  1. A highly addictive phenethylamine stimulant drug. Its systematic (IUPAC) name is (S)-N-methyl-1-phenylpropan-2-amine.
    • Near-synonyms: crystal meth, ice (formulation-specific nicknames); speed (also includes other similar drugs)
    • Methamphetamine is more potent than dexamphetamine which is in turn more potent than its racemate amphetamine. - 1960, J[ohn] J[acob] Lewis, “Central Nervous System Stimulants”, in An Introduction to Pharmacology,...
    • A cloud of smoke from two pounds of methamphetamine seized by the FBI and incinerated inside a Montana animal shelter sent its workers to the hospital, city officials in Billings said. - 2025 September 12, “Meth burn by...

    Synonyms: meth methedrine crank crystal meth ice speed

Origin

From meth- + amphetamine; 1945–1950.

Forms

methamphetamines metamfetamine

Synonyms

chalk crank crystal crystal meth fire glass go fast go-fast gogo ice jib meth methamphetamine methedrine methylamphetamine poor man's cocaine quartz shabu shards speed T tina tweak

Hypernyms

recreational drug

Hyponyms

methamphetamine hydrochloride

Derived

crystal methamphetamine dimethoxymethamphetamine levomethamphetamine methamphetamine hydrochloride methylenedioxymethamphetamine