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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

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.

IMVT-1402, for rheumatoid arthritis, showed nearly 73% of patients achieved at least 20% improvement in trials.

From Barron's • May 20, 2026

The physical challenge of caring for Vicky has left her with chronic pain, rheumatoid arthitis and fibromyalgia.

From BBC • May 14, 2026

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

This imbalance has been linked to long-term conditions such as irritable bowel syndrome, rheumatoid arthritis, and anxiety and depression.

From Science Daily • Feb. 14, 2026

The survival mechanism has become the enemy, as in such illnesses as lupus and rheumatoid arthritis that can attack organs, joints, even the brain.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

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