chronic fatigue syndrome

noun
Updated on: 15 Nov 2017

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

Recent Examples of chronic fatigue syndrome from the Web

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.

First Known Use of chronic fatigue syndrome

1947


CHRONIC FATIGUE SYNDROME Defined for English Language Learners

chronic fatigue syndrome

noun

Definition of chronic fatigue syndrome for English Language Learners

  • 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


Medical Dictionary

chronic fatigue syndrome

noun

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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