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

The model used by the researchers estimated that there were an average of 576 visible ads for junk food and drink shown during each individual match.

From BBC ● Sep. 21, 2026

At age 13, I swore off pop, junk food and, most relevant for my nuptials, dessert.

From The Wall Street Journal ● Sep. 16, 2026

But today, with our easy access to cheap, calorie-dense junk food and sedentary routines, those same adaptations that once helped us to survive can cause us a few issues.

From Science Daily ● Aug. 4, 2026

“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

It was unlike Katz not to fall upon soft drinks and junk food with exuberant lust when the opportunity presented itself, but I believe I understood.

From "A Walk in the Woods" by Bill Bryson