Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

junk

noun [U] (DRUG)
 
 
/dʒʌŋk/ mainly US slang

Definition

a dangerous drug, especially heroinSpecific types of drugDrugs - general wordsSpecific medicines and drugs
(Definition of junk noun (DRUG) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Browse related topics

You are looking at an entry to do with Specific types of drug, but you might be interested in these topics from the Drugs topic area:

“junk” in other dictionaries

Word of the Day

bogus

false, not real or not legal

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More