A hospital for mentally incompetent or unbalanced person
Synonyms:
  1. mental-hospital
  2. asylum
  3. psychiatric hospital
  4. mental-institution
  5. mental home
  6. bedlam
  7. booby-hatch
  8. bughouse
  9. funny-farm
  10. laughing academy
  11. loony-bin
  12. lunatic-asylum
  13. madhouse
  14. mental health institution
  15. nut house
  16. padded cell
  17. psychiatric ward
  18. rubber room
  19. institution
  20. sanatorium
  21. sanitarium
  22. snake-pit