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.
Olive oil may benefit people with inflammatory diseases like rheumatoid arthritis (RA), an autoimmune condition that causes joint pain, swelling, and inflammation. Jillian Kubala, Health, 1 Oct. 2025 Leavitt shared a photo of a poster on X that states TrumpRx will reduce the cost of post-menopausal osteoporosis medication Duavee by 85 percent, dermatitis medication Eucrisa by 80 percent, migraine medication Zavzpret by 50 percent, and rheumatoid arthritis medication Xeljanz by 40 percent. Jenna Sundel, MSNBC Newsweek, 30 Sep. 2025 In a separate statement Tuesday, Pfizer said more than 100 million patients are impacted by diseases those medicines treat, such as migraines, rheumatoid arthritis, menopause and atopic dermatitis. Annika Kim Constantino, CNBC, 30 Sep. 2025 Autoimmune conditions like rheumatoid arthritis and lupus are associated with faster build-up of plaque in the arteries. Elizabeth Yuko, Flow Space, 30 Sep. 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 4 Oct. 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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