old or discarded articles that are considered useless or of little value, something that is of poor quality or unreliable, narcotics, especially heroin

junk food, junk mail, junk bond

Formal and Informal Expressions of junk

In different contexts, you can replace 'junk' with suitable alternatives. In a more formal setting, 'discarded articles, low-quality items' is apt. In informal speech or writing, 'stuff, crap' is a commonplace synonym.

junk: Explore its Definition & Usage

junk Definition

1old or discarded articles that are considered useless or of little value
2something that is of poor quality or unreliable
3narcotics, especially heroin

Using junk: Examples

Take a moment to familiarize yourself with how "junk" can be used in various situations through the following examples!

Example
The garage was full of junk.
Example
I need to clean out my closet and get rid of all the junk.
Example
This car is a piece of junk.
Example
Don't buy that phone, it's junk.
Example
He got arrested for possession of junk.

junk Synonyms and Antonyms

Synonyms for junk

Antonyms for junk

Phrases with junk

junk food
food that is unhealthy and has low nutritional value
Example
I try not to eat too much junk food.
junk mail
unwanted or unsolicited advertising material sent through the mail
Example
I always throw away the junk mail without reading it.
junk bond
a high-risk, high-yield bond issued by a company with a poor credit rating
Example
Investors who are willing to take on more risk might invest in junk bonds.

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Summary: junk in Brief

The term 'junk' [dʒʌŋk] refers to old or discarded articles that are considered useless or of little value. It can also mean something of poor quality or unreliable, such as 'This car is a piece of junk.' Additionally, 'junk' can refer to narcotics, particularly heroin. Common phrases include 'junk food,' 'junk mail,' and 'junk bond.'