Definition of madhouse
1
informal + now often offensive
: an institution providing care to mentally ill individuals
2
informal
: a place of uproar or confusion
The day of the game against the U.S.S.R., Blythe Arena was a madhouse. Thousands milled about outside, hoping to find a way in.— Walter Bingham
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Merriam-Webster unabridged
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Time Traveler for madhouse
The first known use of madhouse was in 1649
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