The meaning of FAD is a practice or interest followed for a time with exaggerated zeal : craze. How to use fad in a sentence. Synonym Discussion of Fad.

FAD definition: a temporary fashion, notion, manner of conduct, etc., especially one followed enthusiastically by a group. See examples of fad used in a sentence.

FAD definition: 1. a style, activity, or interest that is very popular for a short period of time: 2. a style…. Learn more.

A fad, trend, or craze is any form of collective behavior that develops within a culture, a generation, or social group in which a group of people enthusiastically follow an impulse for a short time period.

Definition of fad noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Fad definition: A fashion that is taken up with great enthusiasm for a brief period of time; a craze.

Mar 12, 2026 · Fad diets are popular eating plans that promise rapid weight loss but lack strong scientific evidence to back up their claims. They cycle in and out of popularity, often promoted by …