madhouse

noun, plural mad·hous·es [mad-hou-ziz] /ˈmædˌhaʊ zɪz/.

1. a hospital for the confinement and treatment of mentally disturbed persons.
2. a wild, confused, and often noisy place, set of circumstances, etc.: The office was a madhouse today.

noun informal

1. a mental hospital or asylum
2. a state of uproar or confusion

n.1680s, from mad + house (n.). Figurative use by 1919.