- drug
- 1
/drVg/ noun (C)
1 an illegal substance that people smoke, inject (1) etc to make them feel happy or excited: He was arrested for selling drugs. | take/use drugs: My cousin has been taking drugs for years. | do drugs slang (=take drugs habitually): Has she been doing drugs, or does she always act like this? | be on drugs (=use drugs regularly): My grandfather thinks all kids these days are on drugs. | illegal drugs: They test their employees for traces of illegal drugs. | drug abuse (=the use of illegal drugs): the problem of drug abuse in the inner city | hard drug (=a dangerous drug such as heroin, cocaine etc) | soft drug (=one that is not considered very harmful such as marijuana) | dangerous drugs: a well-known expert on the abuse of dangerous drugs2 a medicine or a substance for making medicines: a drug used in the treatment of cancer | prescribe a drug: Doctors should only prescribe drugs when it's really necessary.3 a drug on the market something that cannot be sold because there is too much of it available—see also: miracle drug miracle (3), designer drug 2 verb drugged, drugging (T)1 to give someone a drug, especially in order to make feel them tired or go to sleep: They had to drug the lion before they transported it.2 to add drugs to someone's food or drink to make them feel tired or go to sleep3 be drugged up (to the eyeballs) especially BrE to have been given a lot of drugs by a doctor: I tried to speak to her after the operation, but she was drugged up to the eyeballs.4 drugged out AmE always taking and influenced by drugs: Greg's a real smart guy, it's too bad he's drugged out all the time.— drugged adjective
Longman dictionary of contemporary English. 2004.