rheumatoid arthritis

noun

: a usually chronic autoimmune disease that is characterized especially by pain, stiffness, inflammation, swelling, and sometimes destruction of joints
abbreviation RA
compare osteoarthritis

Examples of rheumatoid 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.
Lemke’s work showed how problems with TAM receptors or their pathways are associated with drug-resistant cancer, inflammation and autoimmune diseases such as lupus, multiple sclerosis and rheumatoid arthritis. Noah Lyons, San Diego Union-Tribune, 6 May 2025 May Improve Inflammatory Joint Diseases Research indicates that consuming olive oil may have advantages for people with inflammatory joint disease, such as rheumatoid arthritis (RA). Anna Giorgi, Verywell Health, 2 May 2025 Take Humira, for example, an expensive rheumatoid arthritis drug derived from biotechnology that at its peak generated more than $20 billion in annual sales as the world’s top selling drug for its maker, Abbvie. Bruce Japsen, Forbes.com, 28 Apr. 2025 However, this therapy is not currently offered for joints affected by rheumatoid arthritis, lupus arthritis, active joint infections, or fractures. Rowan Briggs, The Mercury News, 18 Mar. 2025 See All Example Sentences for rheumatoid arthritis

Word History

First Known Use

1859, in the meaning defined above

Time Traveler
The first known use of rheumatoid arthritis was in 1859

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Cite this Entry

“Rheumatoid arthritis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rheumatoid%20arthritis. Accessed 11 May. 2025.

Medical Definition

rheumatoid arthritis

noun
: a usually chronic disease that is considered an autoimmune disease and is characterized especially by pain, stiffness, inflammation, swelling, and sometimes destruction of joints
abbreviation RA

called also atrophic arthritis

compare osteoarthritis

More from Merriam-Webster on rheumatoid arthritis

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