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  1. Dictionary
    drug
    /drʌɡ/

    noun

    verb

    • 1. administer a drug to (someone) in order to induce stupor or insensibility: "they were drugged to keep them quiet" Similar anaesthetizegive an anaesthetic tonarcotizegive drugs to

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    More definitions, origin and scrabble points

  2. www.britannica.com › science › drug-chemical-agentDrug | Definition, Types, Interactions, Abuse, & Facts

    3 days ago · Drug, any chemical substance that affects the functioning of living things and the organisms (such as bacteria, fungi, and viruses) that infect them. Pharmacology, the science of drugs, deals with all aspects of drugs in medicine, including their mechanism of action, physical and chemical.

  3. en.wikipedia.org › wiki › DrugDrug - Wikipedia

    A drug is any chemical substance that when consumed causes a change in an organism's physiology, including its psychology, if applicable. [vague] Drugs are typically distinguished from food and other substances that provide nutritional support.

  4. www.merriam-webster.com › dictionary › drugDrug Definition & Meaning - Merriam-Webster

    a. : a substance used as a medication or in the preparation of medication. b according to the Food, Drug, and Cosmetic Act. (1) : a substance recognized in an official pharmacopoeia or formulary (see formulary sense 3) (2) : a substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease. prescription drugs.

  5. www.dictionary.com › browse › drugDRUG Definition & Meaning | Dictionary.com

    Drug definition: a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.. See examples of DRUG used in a sentence.

  6. www.health.gov.au › topics › drugsWhat are drugs? - Department of Health and Aged Care

    Drugs are substances that change a person’s mental or physical state. They can affect the way your brain works, how you feel and behave, your understanding and your senses. This makes them unpredictable and dangerous, especially for young people. The effects of drugs are different for each person and drug.

  7. dictionary.cambridge.org › dictionary › englishDRUG | English meaning - Cambridge Dictionary

    DRUG definition: 1. any natural or artificially made chemical that is used as a medicine: 2. any natural or…. Learn more.

  8. www.msdmanuals.com › home › drugsOverview of Drugs - Overview of Drugs - MSD Manual Consumer...

    A simpler but workable definition of a drug is any chemical or biologic substance that affects the body and its processes. Some people incorrectly use the word drug to mean only a substance that produces a pleasurable sensation.

  9. dictionary.cambridge.org › us › dictionaryDRUG | definition in the Cambridge English Dictionary

    noun [ C ] us / drʌɡ / uk / drʌɡ / drug noun [C] (MEDICINE) Add to word list. B2. any natural or artificially made chemical that is used as a medicine: anti-cancer/ fertility /pain-killing drugs. prescription drug We may need to try a prescription drug to treat your migraines if regular acetaminophen is not working.

  10. www.oxfordlearnersdictionaries.com › definition › englishdrug noun - Definition, pictures, pronunciation and usage notes...

    Definition of drug noun from the Oxford Advanced Learner's Dictionary. drug. noun. /drʌɡ/ an illegal substance that some people smoke, inject, etc. for the physical and mental effects it has. He does not smoke or take drugs. to use/abuse drugs. (informal) I don't do drugs (= use them). to smuggle/supply/sell drugs.

  11. www.britannica.com › dictionary › drugDrug Definition & Meaning | Britannica Dictionary

    DRUG meaning: 1 : a substance that is used as a medicine often used before another noun; 2 : an illegal and often harmful substance (such as heroin, cocaine, LSD, or marijuana) that people take for pleasure often used before another noun