| 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. |

| junk food n. A high-calorie food that is low in nutritional value. |
junk food
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junk food n.
Any of various prepackaged snack foods high in calories but low in nutritional value.
junk food
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]