amphetamine

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

Etymology

Shortened form of a(lpha-)m(ethyl)ph(en)eth(yl)amine.

In classic literature

Synonyms

pep pill, upper, speed

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