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diet pill

American  

noun

  1. a tablet or capsule containing chemical substances that aid in reducing or controlling body weight, usually by suppressing the appetite.


Etymology

Origin of diet pill

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company’s existing diet pill, Alli, is “almost immaterial” to its U.S. portfolio and less effective than GLP-1s.

From The Wall Street Journal • Mar. 13, 2026

Obviously a diet pill — I was super into fitness and I love cupcakes— like it all made sense a little bit, but it wasn’t my own brand.

From Los Angeles Times • Nov. 21, 2019

A diabetes drug here, a heart medication there, a diet pill, a cancer treatment.

From Washington Times • Dec. 7, 2014

Given that one-third of American adults are obese and another third merely overweight, an effective and safe diet pill would seem like the path to instant riches.

From New York Times • Jul. 2, 2013

Harry Hill's Cream Of TV Burp is out now Photograph: Danny Martindale/Getty 1 A diet pill To take away all the calories after Christmas lunch.

From The Guardian • Dec. 21, 2012

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