: 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.
Still's disease, a rare type of inflammatory arthritis that can cause rashes, debilitating pain, and fevers. Rachana Pradhan, NPR, 20 July 2026 As Lyme disease progresses, a patient can get severe headaches; Bell’s Palsy, involving loss of muscle tone or droop in one or both sides of the face; severe arthritis; heart palpitations; and episodes of dizziness or shortness of breath. Amanda Roome, The Conversation, 16 July 2026 It can be treated effectively with antibiotics, particularly when caught early, but can cause longer-term problems including arthritis, severe headaches and irregular heartbeat if not. Meg Tirrell, CNN Money, 14 July 2026 Lifespan measures total years lived, while lifespan vs healthspan comparisons show that a growing share of those years often involve chronic conditions such as heart disease, diabetes, arthritis and cognitive decline. Samantha Agate, Miami Herald, 14 July 2026 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 28 Jul. 2026.

Kids Definition

arthritis

noun
: inflammation of the joints
arthritic
-ˈthrit-ik
adjective or noun

Medical Definition

arthritis

noun
: inflammation of joints due to infectious, metabolic, or constitutional causes
also : a specific arthritic condition (as gouty arthritis or psoriatic arthritis)

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