Amphetamine (noun)

  1. A synthetic drug that stimulates the central nervous system, used medically as a stimulant and appetite suppressant and recreationally as a euphoriant.
  2. A synthetic drug that is similar in structure to adrenaline and noradrenaline, used as a stimulant to the central nervous system.


Late 19th century: from alpha- (representing alpha-methyl) +phenyl + -amine.


  1. Amphetamines are commonly prescribed to treat attention deficit hyperactivity disorder (ADHD).
  2. The athlete was banned for using amphetamines to enhance his performance.
  3. Amphetamines are highly addictive and can cause serious health problems.
  4. The doctor prescribed amphetamines to help the patient lose weight.
  5. Illegal amphetamine production and trafficking has become a major problem in some countries.
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