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.
People who have taken corticosteroid medicines for conditions like seizures, gastric reflux, cancer and transplant rejection are more susceptible, as are those with celiac disease, inflammatory bowel disease, kidney or liver disease, multiple myeloma and rheumatoid arthritis. Angelica Stabile, FOXNews.com, 7 Feb. 2026 The offerings include Eli Lilly’s Zepbound starting at $299 a month and Novo Nordisk’s Wegovy pill for as little as $149 a month; AstraZeneca’s inhaler Bevespi for $51; and Pfizer’s Xeljanz, used to treat rheumatoid arthritis and other conditions, for $1,518,30. Tami Luhby, CNN Money, 5 Feb. 2026 Forbes, the woman with rheumatoid arthritis near Nashville, had been on an ACA marketplace plan since 2018. Renuka Rayasam, Miami Herald, 2 Feb. 2026 At the end of the 30-minute visit, Urban's doctor showed her the AI summary of the appointment, neatly organized into sections for her medical history, the physical exam findings and an assessment and treatment plan for her rheumatoid arthritis and hot flashes, among other details. Michelle Andrews, ABC News, 26 Jan. 2026 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 17 Feb. 2026.

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

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