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

But the type of fatigue associated with conditions like lupus, fibromyalgia, and chronic fatigue syndrome is an entirely different beast. Caitlin Flynn, Allure, "7 Things You Shouldn't Say to Someone With a Chronic or Invisible Illness," 16 Oct. 2018 For example, if you were previously diagnosed with fibromyalgia or chronic fatigue syndrome, you will be excluded. Rafal Tokarz,, "The Lyme Disease Complication You Don't Know About—But Should," 31 May 2018 Let’s say your friend has chronic fatigue syndrome and is having a hard time with ever-present exhaustion. Carolyn L. Todd, SELF, "How to Support a Friend Who’s Just Been Diagnosed With a Chronic Illness," 23 May 2018 Yet it was given what many advocates say is a misleading set of diagnostic criteria and a trivializing name, chronic fatigue syndrome, by researchers at the U.S. Centers for Disease Control 30 years ago. Megan Doherty, Chicago Reader, "ME myalgic encephalomyelitis chronic fatigue syndrome CFS Millions Missing Depaul University CDC," 10 May 2018 Jennifer Brea self-directed a documentary, now streaming on the service, from hers, offering up a stunning glimpse of life with myalgic encephalomyelitis, the mysterious illness better known as ME, or chronic fatigue syndrome. Vogue, "This New Documentary on Chronic Fatigue Syndrome is a Must-See—and Not for the Reason You Think," 17 Jan. 2018 This documentary from Jennifer Brea is about chronic fatigue syndrome, a condition that hasn’t been fully accepted by the medical world but that affects millions of people. Gabe Cohn, New York Times, "What’s on TV Saturday: ‘Step Sisters’ and ‘The Number on Great-Grandpa’s Arm’," 27 Jan. 2018 Suffering from chronic fatigue syndrome, Barron began studying how diet might ease her symptoms. Liz Biro, Indianapolis Star, "10 women who are absolutely killing it at Indianapolis restaurants," 7 Mar. 2018 When his wife was diagnosed with chronic fatigue syndrome several years ago they were advised to find a sunnier climate. Mark Rogers, USA TODAY, "Ajijic: Mexico’s expat paradise on the lake," 22 Jan. 2018

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.

See More

First Known Use of chronic fatigue syndrome

1947, in the meaning defined above

Keep scrolling for more

Learn More about chronic fatigue syndrome

Share chronic fatigue syndrome

Resources for chronic fatigue syndrome

Statistics for chronic fatigue syndrome

Look-up Popularity

Time Traveler for chronic fatigue syndrome

The first known use of chronic fatigue syndrome was in 1947

See more words from the same year

Keep scrolling for more

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

More from Merriam-Webster on chronic fatigue syndrome Encyclopedia article about chronic fatigue syndrome

Comments on chronic fatigue syndrome

What made you want to look up chronic fatigue syndrome? Please tell us where you read or heard it (including the quote, if possible).


the way words of a language are spelled

Get Word of the Day daily email!

Test Your Vocabulary

A Green Quiz

  • shamrock
  • What is the best definition of green-eyed monster?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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