chronic fatigue syndrome


Definition of chronic fatigue syndrome

: 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 Taylor worries that the virus will cause significant upticks in obsessive-compulsive disorder, agoraphobia, and germaphobia, not to mention possible neuropsychiatric effects, such as chronic fatigue syndrome. Jacob Stern, The Atlantic, "This Is Not a Normal Mental-Health Disaster," 7 July 2020 Formally, Ramey has myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and complex regional pain syndrome. Ed Yong, The Atlantic, "Thousands Who Got COVID-19 in March Are Still Sick," 4 June 2020 When Judy Mikovits co-authored a that linked the mysterious condition known as chronic fatigue syndrome to a retrovirus that came from mice, thousands of sick patients hoping for relief, behind her. Katie Shepherd, Washington Post, "The woman behind ‘Plandemic.' Her coronavirus conspiracy video was just banned from social media as false and harmful," 8 May 2020 Nonetheless, this prompted Mikovits to use the same tools to look for XMRV in samples from patients suffering from chronic fatigue syndrome (CFS)—a disorder some had claimed was purely psychosomatic. Jennifer Ouellette, Ars Technica, "Fired scientist back to peddling anti-vaxx COVID-19 conspiracy theories," 8 May 2020 The 37-year-old has asthma and several autoimmune disorders such as Graves' disease, fibromyalgia and chronic fatigue syndrome. Christina Zdanowicz, CNN, "They're living with an invisible illness. Social distancing will save their lives," 19 Mar. 2020 Singleton has hypertension, heart disease and chronic fatigue syndrome, conditions that can suppress her immune system. Elaine Ayala,, "Ayala: What coronavirus is teaching the rest of us, they learned long ago," 17 Mar. 2020 Studies have documented that diseases primarily or only affecting women (chronic fatigue syndrome, endometriosis, polycystic ovary syndrome, fibromyalgia) receive less than their share of research funding. Emmeline Clein, Smithsonian Magazine, "Madame Yale Made a Fortune With the 19th Century’s Version of Goop," 20 Feb. 2020 Firshein begins by looking for underlying causes of fatigue or the ability to focus, such as hormone imbalance or conditions such as hypothyroidism, hypoglycemia, chronic fatigue syndrome, or Lyme disease. Vogue, "How I Learned to Find Focus Without Caffeine or an Adderall Prescription," 15 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chronic fatigue syndrome.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chronic fatigue syndrome

1947, in the meaning defined above

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The first known use of chronic fatigue syndrome was in 1947

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Last Updated

24 Jul 2020

Cite this Entry

“Chronic fatigue syndrome.” Dictionary, Merriam-Webster, Accessed 3 Aug. 2020.

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More Definitions for chronic fatigue syndrome

chronic fatigue syndrome


English Language Learners Definition of chronic fatigue syndrome

medical : an illness that makes you feel very tired for a very long time and that often includes other symptoms such as headaches and weakness

chronic fatigue syndrome


Medical Definition of chronic fatigue syndrome

: 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

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