[ druhg ]
/ drʌg /
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verb (used with object), drugged, drug·ging.

Verb Phrases

drug up, Informal. to take a drug, especially an illegal drug: kids hiding under the school bleachers to drug up;athletes who drug up in the off-season.



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Idioms for drug

    drug on the market, a commodity that is overabundant or in excess of demand in the market.Also drug in the market.

Origin of drug

First recorded in 1300–50; Middle English drogges (plural), from Middle French drogue, of obscure origin

Definition for drug (2 of 3)

[ druhg ]
/ drʌg /

verb Chiefly Midland and Southern U.S.Nonstandard.

a simple past tense and past participle of drag.

Definition for drug (3 of 3)

[ droog ]
/ drʊg /

noun Zoroastrianism.

the cosmic principle of disorder and falsehood.
Compare Asha.

Origin of Drug

From the Avestan word drauga
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for drug

/ (drʌɡ) /


any synthetic, semisynthetic, or natural chemical substance used in the treatment, prevention, or diagnosis of disease, or for other medical reasonsRelated adjective: pharmaceutical
a chemical substance, esp a narcotic, taken for the pleasant effects it produces
drug on the market a commodity available in excess of the demands of the market

verb drugs, drugging or drugged (tr)

to mix a drug with (food, drink, etc)
to administer a drug to
to stupefy or poison with or as if with a drug
Related prefix: pharmaco-
druggy, adjective
C14: from Old French drogue, probably of Germanic origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for drug

[ drŭg ]


A substance used in the diagnosis, treatment, or prevention of a disease or as a component of a medication.
Such a substance as recognized or defined by the US Food and Drug Administration.
A chemical substance, such as a narcotic or hallucinogen, that affects the central nervous system, causing changes in behavior and often addiction.


To administer a drug, especially in an overly large quantity, to an individual.
To stupefy or dull with or as if with a drug; to narcotize.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for drug

[ drŭg ]

A chemical substance, especially one prescribed by a medical provider, that is used in the diagnosis, treatment, or prevention of a condition or disease. Drugs are prescribed for a limited amount of time, as for an acute infection, or on a regular basis for chronic disorders, such as hypertension.
A chemical substance such as a narcotic or a hallucinogen that affects the central nervous system and is used recreationally for perceived desirable effects on personality, perception, or behavior. Many recreational drugs are used illicitly and can be addictive.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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