fad

Example:She tried a fad diet hoping to lose weight quickly but found it unhealthy and unsustainable.

Definition:A short-term dietary pattern often focused on rapid weight loss, often characterized by extreme or restrictive practices.

Example:The latest fad trend in clothing could be seen on the catwalk and in fashion magazines.

Definition:A brief period of popularity or interest in a particular style, activity, or product.

Example:The fashion house was criticized for producing too many fad items and not investing in classic designs.

Definition:A fashion, style, or product that becomes popular for a limited time before becoming old-fashioned or no longer trendy.