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.

---

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.

---

drug ³ American  

[druhg] / drʌg /

verb

Nonstandard: Chiefly Midland and Southern U.S.

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

---

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

---

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.

---

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

Even after decades of research and billions of dollars in investment, no drug trial for Alzheimer's has ever been designed with the goal of reversing the disease and recovering cognitive abilities.

From Science Daily

It is unclear the name of the drug and how long Nick Reiner had been prescribed it.

From Los Angeles Times

Referring to the Venezuelan oil industry, he said: "What does that have to do with drugs?"

From BBC

No timeline has been announced, but CAQK's small size matters because it is a short peptide that is easier to manufacture and can penetrate tissue well, making it a promising drug candidate.

From Science Daily

Healthcare, prescription drugs and international travel were leading contributors, with healthcare accounting for a third of the increase.

From The Wall Street Journal

Related Words

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