Meanings
nounRoyal Free disease (uncountable)
- uncountablechronic fatigue syndrome
Origin
After an apparent outbreak in 1955 in the Royal Free Hospital.
Full word history & related roots →Cite this entry
APA
Royal Free disease. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Royal%20Free%20disease
MLA
“Royal Free disease.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Royal%20Free%20disease. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Royal Free disease,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Royal%20Free%20disease.
Source: Royal Free disease on Wiktionary, CC BY-SA 4.0.