Third-person singular simple present indicative form of drug

(pharmacology, medicine) Lacking tolerance to or dependence on the pharmacological effect of a drug.

(pharmacology) A licensed medicine that is regulated by legislation to require a prescription before it can be obtained.

A person with a chemical or psychological dependency on a drug, especially one which is illegal or improperly procured.

Dominated or plagued by illicit drugs.

(slang) The drug Viagra. / (slang) The drug ecstasy.

plural of drug addict

A druglord.

plural of drug baron

(US, informal) A pharmaceutical product that generates more than a billion dollars of revenue for its owner each year.