A passing fashion, activity, or feeling lasts for only a short period of time and is not worth taking very seriously.

What does fad mean in a sentence?

countable noun. You use fad to refer to an activity or topic of interest that is very popular for a short time, but which people become bored with very quickly. Hamnett does not believe environmental concern is a passing fad. Synonyms: craze, fashion, trend, fancy More Synonyms of fad.

What does fad mean in slang?

(Entry 1 of 2) : a practice or interest followed for a time with exaggerated zeal : craze.