drug

noun
\ ˈdrəg How to pronounce drug (audio) \

Definition of drug

 (Entry 1 of 3)

1a : 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 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 sense 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 demand entry 1 sense 3a) used in the phrase drug on the market
4 obsolete : a substance used in dyeing or chemical operations

drug

verb
drugged; drugging

Definition of drug (Entry 2 of 3)

transitive verb

1 : to affect with a drug (see drug entry 1) 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 criticsTime

intransitive verb

: to take drugs for narcotic effect

drug

Definition of drug (Entry 3 of 3)

dialectal past tense of drag

Keep scrolling for more

Other Words from drug

Noun

druggy or less commonly druggie \ ˈdrə-​gē How to pronounce druggie (audio) \ adjective

Examples of drug in a Sentence

Noun

a new drug used to treat people with high blood pressure an experimental drug for the treatment of AIDS Have you ever taken any illegal drugs? I don't smoke, drink, or do drugs.

Verb

He looks like he's been drugged. Someone could have drugged your drink.
See More

First Known Use of drug

Noun

1611, in the meaning defined at sense 4

Verb

circa 1616, in the meaning defined at transitive sense 1

History and Etymology for drug

Noun and Verb

Middle English drogge

Keep scrolling for more

Learn More about drug

Dictionary Entries near drug

drudge

drudgery

drudging

drug

drug dealer

drugger

druggery

Statistics for drug

Look-up Popularity

Time Traveler for drug

The first known use of drug was in 1611

See more words from the same year

Keep scrolling for more

More Definitions for drug

drug

verb

English Language Learners Definition of drug

: 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

noun
\ ˈdrəg How to pronounce drug (audio) \

Kids Definition of drug

 (Entry 1 of 2)

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

drug

verb
drugged; drugging

Kids Definition of drug (Entry 2 of 2)

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

drug

noun
\ ˈdrəg How to pronounce drug (audio) \

Medical Definition of drug

 (Entry 1 of 2)

1a : 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

drug

verb
drugged; drugging

Medical Definition of drug (Entry 2 of 2)

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

Keep scrolling for more

More from Merriam-Webster on drug

Rhyming Dictionary: Words that rhyme with drug

Thesaurus: All synonyms and antonyms for drug

Spanish Central: Translation of drug

Nglish: Translation of drug for Spanish Speakers

Britannica English: Translation of drug for Arabic Speakers

Britannica.com: Encyclopedia article about drug

Comments on drug

What made you want to look up drug? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a wrong name or inappropriate designation

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!