chronic fatigue syndrome

noun

: a disorder of unknown cause that is characterized by persistent profound fatigue usually accompanied by other symptoms (such as headache and tender lymph nodes) unrelated to any preexisting medical condition
abbreviation CFS

Examples of chronic fatigue syndrome in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Illnesses and conditions like the flu, autoimmune disorders, chronic fatigue syndrome, and fibromyalgia can all raise your risk of experiencing pain. Heidi Cope, Health, 17 Aug. 2024 And Nath notes that rituximab, a drug that depletes antibody-producing B cells, wasn’t effective in a study of myalgic encephalomyelitis–chronic fatigue syndrome—another chronic illness thought to arise after an infection. Byjennifer Couzin-Frankel, science.org, 21 June 2024 Wright has also been open about her struggles with chronic fatigue syndrome and has been one of the few athletes in the world of surfing to use her sport as a site to protest violence against Black and brown people, including First Nations people in Australia. Frankie De La Cretaz, Them, 25 July 2024 Ribose supplements are often used to help improve athletic performance, reduce symptoms of chronic fatigue syndrome (CFS), and support overall cardiovascular health. Lauren Manaker Ms, Rdn, Health, 19 July 2024 See all Example Sentences for chronic fatigue syndrome 

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of chronic fatigue syndrome was in 1947

Dictionary Entries Near chronic fatigue syndrome

Cite this Entry

“Chronic fatigue syndrome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chronic%20fatigue%20syndrome. Accessed 21 Nov. 2024.

Medical Definition

chronic fatigue syndrome

noun
: a disorder of uncertain cause that is characterized by persistent profound fatigue usually accompanied by impairment in short-term memory or concentration, sore throat, tender lymph nodes, muscle or joint pain, and headache unrelated to any preexisting medical condition and that typically has an onset at about 30 years of age
abbreviation CFS

called also myalgic encephalomyelitis

More from Merriam-Webster on chronic fatigue syndrome

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!