DictionaryrheumatismMuscle and joint pain
noun

rheumatism

ROO-muh-tiz-um/ˈruːmətɪzəm/

Painful inflammation or stiffness in muscles and joints.

The woman's rheumatism leaves her wrist painful and her swollen fingers stiff.

A seated middle-aged woman gently cradles her painful wrist, with visibly swollen knuckles and a guarded, stiff hand posture.
Etymology

The connection with bodily flow reflects an old medical explanation: rheumatism was thought to result from excessive rheum entering a joint and stretching its ligaments, producing pain.

In context

Conquering Your Fibromyalgia3:38
One of the earliest was muscular rheumatism. They used this term for widespread pain that wasn't in the joints
Neurasthenia to Fibromyalgia: The Condition Medicine Forgot Part 1

More examples

  • He uses a heating pad to ease his rheumatism.
  • Rheumatism keeps her from knitting for long periods.
  • She asks her doctor about treatment for rheumatism.

Forms

rheumatic adjective — Relating to or affected by rheumatism.

Similar words

arthritis
Specifically names joint inflammation, rather than muscle pain or stiffness.
soreness
Describes general tenderness or pain, often after physical exertion.