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rheumatoid

American  
[roo-muh-toid] / ˈru məˌtɔɪd /
Sometimes rheumatoidal

adjective

  1. resembling rheumatism.

  2. rheumatic.


rheumatoid British  
/ ˈruːməˌtɔɪd /

adjective

  1. (of the symptoms of a disease) resembling rheumatism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • rheumatoidally adverb

Etymology

Origin of rheumatoid

1855–60; < Greek rheumat- (stem of rheûma; see rheum) + -oid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The findings open the possibility of clinical trials to test sEH inhibitors as treatments for diseases such as rheumatoid arthritis and cardiovascular disease.

From Science Daily • Feb. 19, 2026

Lilly confirmed earlier this month that it had halted the development of a drug candidate for B cell-driven diseases, which had been in mid-stage studies for multiple sclerosis and rheumatoid arthritis.

From Barron's • Feb. 9, 2026

In addition to MS, the virus has been linked to lupus, rheumatoid arthritis, and long COVID.

From Science Daily • Feb. 6, 2026

But rheumatoid arthritis patients aren’t routinely in the hospital and likely wouldn’t opt for a medication that requires them to visit one, according to Tzianabos.

From The Wall Street Journal • Dec. 26, 2025

Soraya told me that, ever since her mother’s stroke, every flutter in her chest was a heart attack, every aching joint the onset of rheumatoid arthritis, and every twitch of the eye another stroke.

From "The Kite Runner" by Khaled Hosseini