sy·​no·​vi·​tis ˌsī-nə-ˈvī-təs How to pronounce synovitis (audio)
: inflammation of a synovial membrane

Examples of synovitis in a Sentence

Recent Examples on the Web Beauchesne nearly didn't play because of a bout with toxic synovitis, which causes pain in joints, a few days earlier. Matt Goul, cleveland, 16 Apr. 2020 The study involved 140 middle-aged and older adults (average age 58) who had pain and inflammation, called synovitis, from knee osteoarthritis. Linda Searing, Washington Post, 20 May 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'synovitis.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


synovia + -itis

First Known Use

circa 1836, in the meaning defined above

Time Traveler
The first known use of synovitis was circa 1836

Dictionary Entries Near synovitis

Cite this Entry

“Synovitis.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2023.

Medical Definition


sy·​no·​vi·​tis ˌsī-nə-ˈvīt-əs How to pronounce synovitis (audio)
: inflammation of a synovial membrane usually with pain and swelling of the joint

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