drug

¹ American  

[druhg] / drʌg /

noun

1. Pharmacology. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.

2. (in federal law)

   1. any substance recognized in the official pharmacopoeia or formulary of the nation.

   2. any substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in humans or other animals.

   3. any article, other than food, intended to affect the structure or any function of the body of humans or other animals.

   4. any substance intended for use as a component of such a drug, but not a device or a part of a device.

3. a habit-forming medicinal or illicit substance, especially a narcotic.

4. drugs,

   1. chemical substances prepared and sold as pharmaceutical items, either by prescription or over the counter.

   2. personal hygienic items sold in a drugstore, as toothpaste, mouthwash, etc.

5. Obsolete. any ingredient used in chemistry, pharmacy, dyeing, or the like.

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verb (used with object)

drugged, drugging

1. to administer a medicinal drug to.

2. to stupefy or poison with a drug.

3. to mix (food or drink) with a drug, especially a stupefying, narcotic, or poisonous drug.

4. to administer anything nauseous to.

verb phrase

1. drug up to take a drug, especially an illegal drug: athletes who drug up in the off-season.

   kids hiding under the school bleachers to drug up;

   athletes who drug up in the off-season.

idioms

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

Drug ² American  

[droog] / drʊg /

noun

Zoroastrianism.

1. the cosmic principle of disorder and falsehood.

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drug ³ American  

[druhg] / drʌg /

verb

Nonstandard: Chiefly Midland and Southern U.S.

1. a simple past tense and past participle of drag.

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drug British  

/ drʌɡ /

noun

1. any synthetic, semisynthetic, or natural chemical substance used in the treatment, prevention, or diagnosis of disease, or for other medical reasons

2. a chemical substance, esp a narcotic, taken for the pleasant effects it produces

3. a commodity available in excess of the demands of the market

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verb

1. to mix a drug with (food, drink, etc)

2. to administer a drug to

3. to stupefy or poison with or as if with a drug

drug Scientific  

/ drŭg /

1. 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.

2. 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.

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Other Word Forms

• druggy adjective

Etymology

Origin of drug¹

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

Origin of Drug¹

From the Avestan word drauga

Example Sentences

Another could be a spate of acquisitions in the sector External link, while a third reason could be the promise of more blockbuster weight-loss drugs.

From Barron's

These studies examined how exercise compared with no treatment or control conditions, as well as with psychological therapies and antidepressant drugs.

From Science Daily

For cancer patients, traveling to receive drug infusions is often a regular part of treatment.

From The Wall Street Journal

The DOJ’s Office of Legal Counsel this summer wrote a separate legal justification for the administration’s strikes on vessels allegedly carrying drugs in the Caribbean and Eastern Pacific Ocean.

From The Wall Street Journal

The race around the world is to get to 1 million qubits for a "utility scale machine" that can do quantum chemistry, drug design, without error.

From BBC

Related Words

• cure
• medicine
• narcotic
• pharmaceutical
• pill
• poison
• prescription
• remedy
• stimulant