Definition of «fad»

A fad is a short-lived craze or trend that becomes popular for a brief period, often driven by marketing efforts.

The new dance craze sweeping the nation is just a fad; it will probably die out within a few months.
Many people are jumping on the latest health fad of drinking celery juice every morning.
Fashion trends are often fads, with styles going in and out of popularity within a short period.
Virtual reality headsets were a huge fad a few years ago, but their popularity has significantly decreased since then.
The concept of intermittent fasting has become a popular diet fad among those seeking quick weight loss results.

This small community seems to have figured out how to translate community into a happy and long life, free of fad diets, substance abuse and crime. (entrepreneur.com)
I don't do a lot of fad diets or supplements, and don't recommend that. (treehugger.com)
Tired of trying the latest fad diets with no success? (progressivemedicalcenter.com)
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