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.
Ignoring symptoms: Untreated sprains may result in chronic instability or arthritis. Sarah Jividen, Verywell Health, 26 Feb. 2025 In a November social media post, Kennedy claimed fluoride is linked to a variety of health issues, including arthritis, bone fractures, bone cancer, IQ loss, neurodevelopmental disorders and thyroid disease — but experts disagree. Evan Moore, Charlotte Observer, 21 Feb. 2025 This group experienced cartilage thinning and other early signs of arthritis, according to the new study, which was published last week in the journal npj Microgravity. Sharmila Kuthunur, Space.com, 19 Feb. 2025 The maker of the Humira treatment for arthritis and psoriasis has risen 9.3% over the past year, underperforming the S & P 500, and pays a 3.44% dividend. Brian Evans, CNBC, 11 Feb. 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

Browse Nearby Words

Cite this Entry

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