1

drug

noun \ ˈdrəg \
Updated on: 15 Nov 2017

Definition of drug

1 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 3)
(2) : a substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease
  • prescription drugs
  • drugs for treating high blood pressure
(3) : a substance other than food intended to affect the structure or function of the body
(4) : a substance intended for use as a component of a medicine but not a device or a component, part, or accessory of a device
2 : something and often an illegal substance that causes addiction, habituation (see habituation 2b), or a marked change in consciousness
  • keeping teens off drugs
  • heroin and other hard drugs
3 : a commodity that is not salable or for which there is no demand (see 1demand 3a) used in the phrase drug on the market
4 obsolete : a substance used in dyeing or chemical operations

druggy

or less commonly druggie play \ˈdrə-gē\ adjective

Examples of drug in a Sentence

  1. a new drug used to treat people with high blood pressure

  2. an experimental drug for the treatment of AIDS

  3. Have you ever taken any illegal drugs?

  4. I don't smoke, drink, or do drugs.

Recent Examples of drug from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'drug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of drug

Middle English drogge

Other Drug/Tobacco Terms


2

drug

verb

Definition of drug

drugged; drugging
transitive verb
1 : to affect with a drug (see 1drug); especially : to stupefy by a narcotic drug
  • looks like he's been drugged
2 : to administer a drug to
  • drugged against pain
3 : to lull or stupefy as if with a drug
  • the kind of overly familiar music that delights most audiences and drugs most critics
  • Time
intransitive verb
: to take drugs for narcotic effect

Examples of drug in a Sentence

  1. He looks like he's been drugged.

  2. Someone could have drugged your drink.

Recent Examples of drug from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'drug.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of drug

see 1drug


3

drug

Definition of drug

  • dialectal past tense of drag

DRUG Defined for English Language Learners

drug

verb

Definition of drug for English Language Learners

  • : to give a drug to (a person or animal) in order to make that person or animal very sleepy or unconscious

  • : to add a drug to (a food or drink) in order to make someone sleepy or unconscious


DRUG Defined for Kids

1

drug

noun \ ˈdrəg \

Definition of drug for Students

1 : a substance used as a medicine or in making medicines
2 : a substance (as cocaine) that may harm or addict a user

2

drug

verb

Definition of drug for Students

drugged; drugging
1 : to poison with or as if with a drug
2 : to make sleepy or unconscious with drugs

Medical Dictionary

1

drug

noun \ ˈdrəg \

medical Definition of drug

1 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
(2) : a substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease
(3) : a substance other than food intended to affect the structure or function of the body
(4) : a substance intended for use as a component of a medicine but not a device or a component, part, or accessory of a device
2 : something and often an illicit substance that causes addiction, habituation, or a marked change in consciousness

2

drug

verb

medical Definition of drug

drugged; drugging
transitive verb
1 : to affect with a drug; especially : to stupefy by a narcotic drug
2 : to administer a drug to
intransitive verb
: to take drugs for narcotic effect


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