junk food

American  

noun

1. food, as potato chips or candy, that is high in calories but of little nutritional value.

2. anything that is attractive and diverting but of negligible substance.

   the junk food offered by daytime television.

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junk food British  

noun

1. food that is low in nutritional value, often highly processed or ready-prepared, and eaten instead of or in addition to well-balanced meals

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junk food Idioms  

1. Prepackaged snack food that is high in calories but low in nutritional value; also, anything attractive but negligible in value. For example, Nell loves potato chips and other junk food, or When I'm sick in bed I often resort to TV soap operas and similar junk food. [c. 1970]

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Other Word Forms

• junk-food
  adjective

Etymology

Origin of junk food

An Americanism dating back to 1970–75

Example Sentences

See Examples For:

junk food

“If you’ve only fed them junk food and then you put some beautiful Michelin-star food in front of them, it’ll seem alien to them,” she says.

From Los Angeles Times ● Jul. 13, 2026

A colony of macaques that gorge on snacks offered by tourists in the British territory of Gibraltar swallow soil to recover from their junk food binges, a study has found.

From Barron's ● May 22, 2026

All too many of the newer ones are investment junk food.

From The Wall Street Journal ● May 22, 2026

Read more: The U.S. is about to define what junk food is.

From MarketWatch ● May 19, 2026

That meant Leo had only himself, his bag of junk food, and a few highly improvised weapons made from sugar and toothpaste.

From "The House of Hades" by Rick Riordan