amphetamine
n.a powerful drug that makes you feel more awake and energetic. It is sometimes used to treat medical conditions like ADHD, but it can be very dangerous if you use it without a doctor's help.
n.a central nervous system stimulant used medically to treat attention deficit hyperactivity disorder and narcolepsy. It is also a common recreational drug with a high potential for abuse and physical dependence.
“The doctor prescribed amphetamine to help him stay focused.”
“Amphetamine is a controlled substance in most countries because of its high potential for addiction and its use in illicit drug manufacturing.”
“While amphetamine can significantly improve cognitive performance and alertness in clinical settings, its long-term use often leads to severe psychological and physiological consequences, including paranoia and cardiovascular strain.”
“Cocaine was associated with nearly double the risk of stroke, amphetamines with more than double the risk, and cannabis with a 37% increase.”
Shortened form of a(lpha-)m(ethyl)ph(en)eth(yl)amine.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.