Definition of methamphetamine
: 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 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
— called also meth, methedrine, speed
— compare crystal methTest Your Vocabulary
Commonly Confused Words Quiz
-
- I went to the ______ store to buy a birthday card.

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share methamphetamine
Time Traveler for methamphetamine
The first known use of methamphetamine was in 1949
See more words from the same year