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.
Some common autoimmune diseases are type 1 diabetes, multiple sclerosis (MS), lupus, and rheumatoid arthritis (RA).8 Studies suggest these diseases may be caused by interactions between certain genes and the environment. Danielle Weiss, Verywell Health, 19 Mar. 2025 The Benaroya Research Institute on Virginia Mason's campus treats autoimmune disorders, like lupus and rheumatoid arthritis. David Faris, Newsweek, 17 Mar. 2025 Integrative Medicine In Autoimmune Disorders Autoimmune diseases—including lupus, rheumatoid arthritis, Hashimoto’s thyroiditis, and multiple sclerosis—result from an overactive immune system attacking the body's own tissues. Jesse Pines, Forbes, 12 Mar. 2025 Dominic Rampa, a Las Vegas teenager who has relied on Medicaid to help cover treatments for nine genetic disorders, including two immunodeficiencies and juvenile rheumatoid arthritis, will be attending as a guest of Sen. Jacky Rosen (D, Nev.). Nik Popli, TIME, 4 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 25 Mar. 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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