: a chronic disorder characterized by widespread pain, tenderness, and stiffness of muscles and associated connective tissue structures that is typically accompanied by fatigue, headache, and sleep disturbances
fibromyalgic adjective
fibromyalgic pain
fibromyalgic patients
fibromyalgic noun
plural fibromyalgics
Most fibromyalgics are women who have gradual onset of symptoms between the ages of 20 and 45. Landis Lum

Examples of fibromyalgia in a Sentence

Recent Examples on the Web
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The study enrolled 40 female patients diagnosed with fibromyalgia at a tertiary medical center, and each participant applied four sprays per limb twice daily for four weeks. Samantha Agate, Sacbee.com, 21 Aug. 2026 Maddie, who is deaf and has fibromyalgia, sells niche streetwear brands. Joshua Hong, Fortune, 1 Aug. 2026 Her husband, 70, suffers chronic fibromyalgia pain and needs a wheelchair. Paula Span, Miami Herald, 29 July 2026 Swing Therapeutics, developer of a Food and Drug Administration-cleared digital treatment for fibromyalgia, has been acquired by medical virtual reality company XR Health. Mario Aguilar, STAT, 15 July 2026 See All Example Sentences for fibromyalgia

Word History

Etymology

New Latin

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of fibromyalgia was in 1980

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Cite this Entry

“Fibromyalgia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fibromyalgia. Accessed 25 Aug. 2026.

Medical Definition

fibromyalgia

noun
: a chronic disorder characterized by widespread pain, tenderness, and stiffness of muscles and associated connective tissue structures that is typically accompanied by fatigue, headache, and sleep disturbances

called also fibromyalgia syndrome, fibromyositis

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