arthritis

noun

ar·​thri·​tis är-ˈthrī-təs 

plural arthritides är-ˈthri-tə-ˌdēz 

: inflammation of joints due to infectious, metabolic, or constitutional causes

also : a specific arthritic condition

Examples of arthritis in a Sentence

Recent Examples on the Web

Inflammatory Arthritis Inflammatory arthritis is a group of chronic joint conditions that cause inflammation. —Joy Emeh, Health, 5 Oct. 2025

Sesame oil is high in antioxidants that may help decrease the risk of cancer and heart disease, along with reducing joint pain related to arthritis. —Susan Selasky, Freep.com, 4 Oct. 2025

Typically caused by a sensitive immune system — which confuses innocuous bacteria for harmful pathogens — symptoms include fever, fatigue, abdominal pain, nausea, diarrhea, loss of appetite and weight loss, anemia, skin changes, arthritis and more. —Vanessa Etienne, PEOPLE, 29 Sep. 2025

The mineral-rich hot springs in the American West and Japan have long been touted for their ability to cure everything from arthritis to skin conditions. —AFAR Media, 26 Sep. 2025

Word History

Etymology

borrowed from Late Latin arthrītis "pain in the joints," borrowed from Greek arthrītid-, arthrîtis "of the joints" (arthrîtis nósos "disease of the joints"), (as a noun) "gout," from árthron "joint, articulation" + -ītis -itis — more at arthro-

First Known Use

1543, in the meaning defined above

Phrases Containing arthritis

• anti-arthritis
• reactive arthritis
• rheumatoid arthritis

Rhymes for arthritis

• bronchitis
• bursitis
• detritus
• gastritis
• glossitis
• mastitis
• metritis
• nephritis
• neuritis
• orchitis
• osteitis
• otitis

Kids Definition

arthritis

noun

ar·​thri·​tis är-ˈthrīt-əs 

: inflammation of the joints

arthritic

-ˈthrit-ik

adjective or noun

Medical Definition

arthritis

noun

ar·​thri·​tis är-ˈthrīt-əs 

plural arthritides -ˈthrit-ə-ˌdēz 

: inflammation of joints due to infectious, metabolic, or constitutional causes

also : a specific arthritic condition (as gouty arthritis or psoriatic arthritis)