ichidan verb / intransitive verb:

• to fall (over, down); to collapse; to take a fall; to topple
• to be destroyed (in a collapse); to collapse; to cave in; to crumble; to give away
• to be confined to bed (with an illness); to come down with; to break down (e.g. from overwork)
• to die; to be killed
• to go bankrupt (of a company, bank, etc.); to fail; to collapse; to go under
• to be defeated (in a game); to lose
• to fall (of a government, dictator, etc.); to be overthrown