drug (n): countable] 1 . an illegal substance such as marijuana or cocaine, which some people take in order to feel happy, relaxed, or excited - A lot of young people start taking drugs at school. - One third of America's thirteen-year-olds use drugs.
-A lot of young people start taking drugs at school.
-One third of America's thirteen-year-olds use drugs.
-I don't drink, and I don't do drugs.
-She always looks as though she's on drugs.
-All the band experimented with drugs, particularly LSD.
-Parents should talk openly to their children about the dangers of drug abuse.
-Jimi Hendrix died of a drug overdose.
-a drug used in the treatment of cancer
-new drugs for AIDS-related conditions
-Drugs prescribed (=ordered for people) by doctors can be extremely hazardous if used in the wrong way.
-The big drug companies make huge profits.
-She was banned from the Olympics after failing a drug test (=a test that shows if you have taken drugs).
alcohol/drug abuse (=the practice of drinking too much or taking illegal drugs)
lifesaving surgery/treatment/drugs etc