arthritis

noun

ar·​thri·​tis är-ˈthrī-təs How to pronounce arthritis (audio)
plural arthritides är-ˈthri-tə-ˌdēz How to pronounce arthritis (audio)
: inflammation of joints due to infectious, metabolic, or constitutional causes
also : a specific arthritic condition

Examples of arthritis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Arthritis Foundation reports nearly 60 million adults in the U.S. have arthritis, while a 2021 study assessing data from the National Health and Nutrition Examination Survey indicates more than 7.5 million have psoriasis. Noor Lobad, WWD, 4 Feb. 2025 The American Kennel Club (AKC) reported that about one in five dogs experience canine arthritis. David Faris, Newsweek, 3 Feb. 2025 Rheumatoid arthritis, which affects about 1.5 million people in the U.S., is poised to become the first autoimmune disease treated with electrical pulses sent through the vagus nerve. Jon Hamilton, NPR, 3 Feb. 2025 They’ve been implicated in neck instability, degenerative arthritis in dogs and recurrent laryngeal nerve paralysis, which can affect voice and swallowing ability. Dawn Kovell, The Mercury News, 28 Jan. 2025 See all Example Sentences for arthritis 

Word History

Etymology

borrowed from Late Latin arthrītis "pain in the joints," borrowed from Greek arthrītid-, arthrîtis "of the joints" (arthrîtis nósos "disease of the joints"), (as a noun) "gout," from árthron "joint, articulation" + -ītis -itis — more at arthro-

First Known Use

1543, in the meaning defined above

Time Traveler
The first known use of arthritis was in 1543

Dictionary Entries Near arthritis

Cite this Entry

“Arthritis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arthritis. Accessed 9 Feb. 2025.

Kids Definition

arthritis

noun
ar·​thri·​tis är-ˈthrīt-əs How to pronounce arthritis (audio)
: inflammation of the joints
arthritic
-ˈthrit-ik
adjective or noun

Medical Definition

arthritis

noun
ar·​thri·​tis är-ˈthrīt-əs How to pronounce arthritis (audio)
plural arthritides -ˈthrit-ə-ˌdēz How to pronounce arthritis (audio)
: inflammation of joints due to infectious, metabolic, or constitutional causes
also : a specific arthritic condition (as gouty arthritis or psoriatic arthritis)

More from Merriam-Webster on arthritis

Last Updated: - Updated example sentences
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