ap·​pen·​di·​ci·​tis | \ ə-ˌpen-də-ˈsī-təs \

Definition of appendicitis 

: inflammation of the vermiform appendix

Examples of appendicitis in a Sentence

Recent Examples on the Web

The content-licensing deal includes WebMD articles, videos and slideshows covering medical and health topics, such as the side effects of chemotherapy or the symptoms of appendicitis. Shan Li, WSJ, "Chinese Consumers to Get WebMD Content via WeChat," 23 July 2018 Seven of them did not have appendicitis and likely could have avoided surgery. Lindsey Tanner, The Seattle Times, "Antibiotics for appendicitis? Surgery often not needed," 25 Sep. 2018 About one-third had another case of appendicitis and had surgery to take out their appendix. Fox News, "Pills for appendicitis? Surgery often not needed, study says," 25 Sep. 2018 Exactly how a colonoscopy leads to appendicitis isn't clear, Basson said. Steven Reinberg,, "Colonoscopy may be linked to increased risk of appendicitis," 8 Feb. 2018 Belt had one at-bat in a 4-0 victory against the Phillies Friday night but was removed in the third inning and taken to a hospital for possible appendicitis., "Ireland tops United States men’s soccer on late goal," 2 June 2018 But Howell’s fierce attitude was no match for battles with appendicitis and mononucleosis that affected him during the past school year. Dave Melton, Post-Tribune, "Mr. Happy Go Lucky: Metea Valley grad Christian Howell keeps it loose and throws strikes for Northwest Indiana Oilmen," 14 July 2018 But the department continued to be rocked by scandals after the deaths of children in the state's care, including a Miami boy who died of appendicitis in 2003 after begging guards for medical help. Carol Marbin Miller, miamiherald, "A painful reunion at school of horror," 11 July 2018 Morrow added that a claim will not be denied based on final diagnosis – a stomach bug rather than appendicitis, for instance, but rather patient intent. Jenny Deam, Houston Chronicle, "Blue Cross Blue Shield will delay its controversial ER denial program," 31 May 2018

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

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First Known Use of appendicitis

1886, in the meaning defined above

History and Etymology for appendicitis

New Latin

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Last Updated

8 Dec 2018

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Time Traveler for appendicitis

The first known use of appendicitis was in 1886

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English Language Learners Definition of appendicitis

medical : a condition in which a person's appendix is painful and swollen


ap·​pen·​di·​ci·​tis | \ ə-ˌpen-də-ˈsī-təs \

Kids Definition of appendicitis

: a condition in which a person's appendix is painful and swollen


ap·​pen·​di·​ci·​tis | \ ə-ˌpen-də-ˈsīt-əs \

Medical Definition of appendicitis 

: inflammation of the vermiform appendix

called also epityphlitis

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More from Merriam-Webster on appendicitis

Rhyming Dictionary: Words that rhyme with appendicitis

Spanish Central: Translation of appendicitis

Nglish: Translation of appendicitis for Spanish Speakers

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