ton·​sil·​li·​tis | \ ˌtän(t)-sə-ˈlī-təs How to pronounce tonsillitis (audio) \

Definition of tonsillitis

: inflammation of the tonsils

Examples of tonsillitis in a Sentence

Recent Examples on the Web The former investment banker grew up plagued by bouts of tonsillitis, sore throats, and constant visits to nose and throat doctors. Liana Satenstein, Vogue, 27 Oct. 2021 Stein, a Toronto native, had chronic tonsillitis from the age of seven and was severely allergic to antibiotics. Michella Oré, Glamour, 5 Nov. 2020 The final straw came during a semester abroad in Italy when Stein came down with a really bad bout of tonsillitis. Michella Oré, Glamour, 5 Nov. 2020 Milholland died of tonsillitis, anemia and probable exhaustion before the White House protests began. Alli Hartley-kong, Smithsonian Magazine, 26 Oct. 2020 Fortunately for Solskjaer, £50m summer signing Aaron Wan-Bissaka is close to a return following a bout of tonsillitis, while Solskjaer has remained hopeful that Paul Pogba will be available., 17 Oct. 2019 He eventually was diagnosed with flu and tonsillitis and then discharged, but not before he was photographed lying on the floor cushioned by a coat with an oxygen mask nearby. Washington Post, 11 Dec. 2019 In October, Miley was hospitalized for tonsillitis, but then doctors discovered that there was also an issue in her vocal chords, one that had actually been brewing for years. Jasmine Gomez, Seventeen, 11 Nov. 2019 But two days before the test date, Buckingham’s son came down with tonsillitis. Matthew Ormseth, Los Angeles Times, 23 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tonsillitis.' 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 tonsillitis

1801, in the meaning defined above

History and Etymology for tonsillitis

New Latin

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The first known use of tonsillitis was in 1801

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Last Updated

31 Oct 2021

Cite this Entry

“Tonsillitis.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2021.

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More Definitions for tonsillitis



English Language Learners Definition of tonsillitis

: a condition in which a person's tonsils are painful and swollen


ton·​sil·​li·​tis | \ ˌtän-sə-ˈlī-təs How to pronounce tonsillitis (audio) \

Kids Definition of tonsillitis

: a sore reddened state of the tonsils


ton·​sil·​li·​tis | \ ˌtän(t)-sə-ˈlīt-əs How to pronounce tonsillitis (audio) \

Medical Definition of tonsillitis

: inflammation of the tonsils and especially the palatine tonsils typically due to viral or bacterial infection and marked by red enlarged tonsils usually with sore throat, fever, difficult swallowing, hoarseness or loss of voice, and tender or swollen lymph nodes

More from Merriam-Webster on tonsillitis

Nglish: Translation of tonsillitis for Spanish Speakers

Britannica English: Translation of tonsillitis for Arabic Speakers Encyclopedia article about tonsillitis


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