gastric bypass

noun

: a surgical bypass operation that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine so as to restrict food intake and reduce caloric absorption in cases of severe obesity compare gastric banding

Examples of gastric bypass in a Sentence

Recent Examples on the Web

And that really stuck with me, and that led me to do a gastric bypass. —Rachel McRady, PEOPLE, 21 Nov. 2025

The researchers recruited 48 adults aged 20 to 65 who’d undergone one of four types of bariatric surgery (gastric banding, sleeve gastrectomy, one-anastomosis gastric bypass, or Roux-en-Y gastric bypass). —New Atlas, 13 Nov. 2025

The singer previously had gastric bypass surgery before having a lap band placed in 2012. —Angelica Stabile, FOXNews.com, 2 Oct. 2025

In reality, modern bariatric procedures—such as gastric sleeve and gastric bypass—are performed using minimally invasive techniques. —Advertorial, Oc Register, 25 June 2025

Word History

First Known Use

1967, in the meaning defined above

Rhymes for gastric bypass

• bermudagrass
• alas
• amass
• bromegrass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse

Medical Definition

gastric bypass

noun

: a surgical bypass operation performed to restrict food intake and reduce absorption of calories and nutrients in the treatment of severe obesity that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine

especially : roux-en-y gastric bypass