sy·no·vi·tis | \ ˌsī-nə-ˈvī-təs \

Definition of synovitis 

: inflammation of a synovial membrane

Examples of synovitis in a Sentence

Recent Examples on the Web

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, "A steroid shot for your knee pain? Just skip it.," 20 May 2017

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

First Known Use of synovitis

circa 1836, in the meaning defined above

Keep scrolling for more

Learn More about synovitis

Statistics for synovitis

Look-up Popularity

Time Traveler for synovitis

The first known use of synovitis was circa 1836

See more words from the same year

Keep scrolling for more

More Definitions for synovitis


sy·no·vi·tis | \ ˌsī-nə-ˈvīt-əs \

Medical Definition of synovitis 

: inflammation of a synovial membrane usually with pain and swelling of the joint

More from Merriam-Webster on synovitis Encyclopedia article about synovitis

Comments on synovitis

What made you want to look up synovitis? Please tell us where you read or heard it (including the quote, if possible).


alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!