di·​ver·​tic·​u·​li·​tis ˌdī-vər-ˌti-kyə-ˈlī-təs How to pronounce diverticulitis (audio)
: inflammation of a diverticulum

Example Sentences

Recent Examples on the Web This woman came to the emergency room with acute diverticulitis and delirium; a geriatrician was called in before surgery to help manage her medications and sleep-wake cycle, and recommend non-pharmaceutical interventions. Judith Graham, CNN, 25 Nov. 2022 And adding insult to injury, Kim herself ended up with appendicitis and diverticulitis, in addition to caring for months for her sick friend and nursing her back to health. Hansa Bhargava, Forbes, 10 Oct. 2022 Doctors had to remove 9 inches of her colon due to diverticulitis. Stephanie Emma Pfeffer, PEOPLE.com, 3 Jan. 2022 In addition to fever, diverticulitis can also cause pain on the left side of your abdomen, which can be severe and sudden or mild and increase over time. Colleen Stinchcombe, Health.com, 8 Oct. 2021 Low fiber intake is considered a risk factor for diverticulitis. Karen Pallarito, Health.com, 3 Nov. 2021 Colon diverticulitis is a common condition affecting more than half of adults in the United States, and is more common as people age. Aj Willingham, CNN, 5 July 2021 Pope Francis is recovering after undergoing surgery yesterday for colon diverticulitis. Aj Willingham, CNN, 5 July 2021 Oppedisano, who became Sinatra’s pal in his early 20s and was later his best friend and road manager, said the artist had emergency diverticulitis surgery in late `1986 and was left wearing a colostomy bag during recovery. Los Angeles Times, 8 June 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diverticulitis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


borrowed from New Latin dīverticulītis (in German context), from dīverticulum diverticulum + -ītis -itis

First Known Use

circa 1900, in the meaning defined above

Time Traveler
The first known use of diverticulitis was circa 1900

Dictionary Entries Near diverticulitis

Cite this Entry

“Diverticulitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diverticulitis. Accessed 28 Jan. 2023.

Medical Definition


di·​ver·​tic·​u·​li·​tis -ˈlīt-əs How to pronounce diverticulitis (audio)
: inflammation or infection of a diverticulum of the colon that is marked by abdominal pain or tenderness often accompanied by fever, chills, and cramping

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