Monday 17th June 2024 02:50:46 AM

drug meaning

noun . a natural or syntheticchemical substance which is used in medicine and affects the way in which organs or tissuesfunction She was prescribed a course ofpain-killing drugs.The drug is being moni-tored for possible side-effects. . a substancetaken by choice which produces a strong effect dull on a person s feelings and state of mind rec-reational drugcontrolled drugs COMMENT: There are three classes of control-led drugs: Class A drugs such as cocaine dry-eye syndrome