drug Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “drug” - English Dictionary

"drug" in American English

See all translations

drugnoun

us   /drʌɡ/
  • drug noun (MEDICINE)

[C] any chemical that is used as a medicine: over-the-counter/prescription drugs
  • drug noun (ILLEGAL SUBSTANCE)

[C/U] a chemical or other substance that is illegally used, sometimes to improve performance in an activity or because a person cannot stop using it

drugverb [T]

us   /drʌɡ/ -gg-
  • drug verb [T] (GIVE MEDICINE)

to give a person or animal a chemical that causes a loss of feeling or the condition of being unconscious: He couldn’t talk to us because he had been drugged.
(Definition of drug from the Cambridge Academic Content Dictionary © Cambridge University Press)







"drug" in British English

See all translations

drugnoun [C]

uk   /drʌɡ/ us   /drʌɡ/
  • drug noun [C] (MEDICINE)

B2 any natural or artificially made chemical that is used as a medicine: anti-cancer/fertility/pain-killing drugs a prescription drug drug therapy He takes several drugs for his condition.

expend iconexpend iconMore examples

  • drug noun [C] (ILLEGAL SUBSTANCE)

B2 any natural or artificially made chemical that is taken for pleasure, to improve someone's performance of an activity, or because a person cannot stop using it: illegal drugs a drug addict drug addiction/abuse She began to suspect that her son was on/taking/doing drugs. She was suspected of being a drug dealer. His son died of a drug overdose.
any activity that you cannot stop doing: Work is a drug for him.

expend iconexpend iconMore examples

drugverb [T]

uk   /drʌɡ/ us   /drʌɡ/ -gg-
to give a person or animal a chemical that causes him, her, or it to lose feeling or become unconscious: The killer confessed that he often drugged his victims before he killed them. She was heavily drugged to ease the pain.UK informal We visited her in hospital but she was drugged to the eyeballs (= had been given a lot of drugs) and I don't think she even knew we were there.
(Definition of drug from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"drug" in Business English

See all translations

drugnoun [C]

uk   /drʌɡ/ us  
a natural or artificially made substance that is used as a medicine: an anti-cancer drug The state is grappling for ways to curb rising drug costs in its $1 billion Medicaid drug budget.
a natural or artificially made substance, especially one that is illegal, which is taken for pleasure, to improve performance in an activity, or because someone is addicted (= cannot stop taking it): a banned/illegal drugtake/abuse drugs He admitted abusing drugs and alcohol his entire adult life before ending up in jail.
(Definition of drug from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of drug?
Add Cambridge dictionaries to your browser to your website

“drug” in Business English

Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
by ,
May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

Read More 

Word of the Day

sunburned

Sunburned skin has become red and sore by being in the strong heat of the sun for too long, or is very suntanned.

Word of the Day

convo noun
convo noun
May 23, 2016
informal a conversation The convo around concussions mostly focuses on guys who play football, but Chastain thinks that this whole thing could be a headache for women too.

Read More