drug /ˈdɹʌɡ/noun 6verb 4forms 3phrases 2 noun6 •A substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose.Aspirin is a drug that reduces pain, acts against inflammation and lowers body temperature.The revenues from both brand-name drugs and generic drugs have increased. •a thing that people take to change how they feel, often illegal and hard to stop usingWe took drugs and partied all night.They're on drugs. •Anything, such as a substance, emotion, or action, to which one is addicted.Oh, get that buzz / Love is the drug / I'm thinking of — 1975 •(US, informal) Ellipsis of drugstore.“I’ll go this far,” I answered him. “We’ll try going over to the drug. You, me, Ollie if he wants to go, one or two others. Then we’ll talk it over again.” — 1980 •Any commodity that lies on hand, or is not salable; an article of slow sale, or in no demand.And virtue shall a drug become. — 1685 •(no longer used) A drudge. verb4 •To administer intoxicating drugs to, generally without the recipient's knowledge or consent.She suddenly felt strange, and only then realized she'd been drugged. •To add intoxicating drugs to with the intention of drugging someone.She suddenly felt strange. She realized her drink must have been drugged. •(rare) To use intoxicating drugs.To soften the blow from working in such unfamiliar territory, I drank and drugged at the end of the day. — 1990 •To prescribe or administer drugs or medicines.Past all the doses of your drugging doctors — 1610 formsdrugged · drugging · drugs Phrases with drug drug on the marketsomething which is overabundant at the moment and thus not in demand. gateway drugA typically legal or less harmful substance, such as marijuana, whose use is statistically associated with an increased likelihood of progressing to a more dangerous or illicit drug.