noun, verb, drugged, drug⋅ging.| 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)
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| 3. | a habit-forming medicinal or illicit substance, esp. a narcotic. |
| 4. | drugs,
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| 5. | Obsolete. any ingredient used in chemistry, pharmacy, dyeing, or the like. |
| 6. | to administer a medicinal drug to. |
| 7. | to stupefy or poison with a drug. |
| 8. | to mix (food or drink) with a drug, esp. a stupefying, narcotic, or poisonous drug. |
| 9. | to administer anything nauseous to. |
| 10. | drug up, to take a narcotic drug: The addict prowled about for a place to drug up. |
| 11. | drug on the market, a commodity that is overabundant or in excess of demand in the market. Also, drug in the market. |

drug
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drug (drŭg)
n.
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 U.S. 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.
drug (drŭg) Pronunciation Key
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