chronic fatigue syndrome

noun

1. a viral disease of the immune system, usually characterized by debilitating fatigue and flu-like symptoms.

chronic fatigue syndrome

noun

1. See myalgic encephalopathy
   another name for myalgic encephalopathy CFS

chronic fatigue syndrome

1. A syndrome characterized by debilitating fatigue and a combination of flulike symptoms such as sore throat, swollen lymph glands, low-grade fever, headache, and muscle pain or weakness. The cause is unknown.

chronic fatigue syndrome

1. A condition characterized by fatigue over an extended period, sometimes accompanied by neurologic abnormalities. The cause of this syndrome is unknown.

Word History and Origins

Origin of chronic fatigue syndrome¹

First recorded in 1988

Example Sentences

A lot of people with myalgic encephalomyelitis, or chronic fatigue syndrome, reached out to us kind of early on in the pandemic.

From MIT Technology Review

One working theory is that long covid may be similar or related to chronic fatigue syndrome, a condition characterized by extreme and persistent tiredness that cannot be explained by another medical condition.

From Washington Post

Chronic fatigue syndrome has morphed into myalgic encephalomyelitis.

From The Daily Beast

How did a star researcher into the medical mystery of chronic fatigue syndrome end up in jail and unemployed?

From The Daily Beast