- a sudden, urgent, usually unexpected occurrence or occasion requiring immediate action.
- a state, especially of need for help or relief, created by some unexpected event: a weather emergency; a financial emergency.
- emergency room: Bring him to emergency—the doctor will meet you there.
- granted, used, or for use in an emergency: an emergency leave; emergency lights.
- an unforeseen or sudden occurrence, esp of a danger demanding immediate remedy or action
- (as modifier)
- a patient requiring urgent treatment
- (as modifier)
- a condition, declared by a government, in which martial law applies, usually because of civil unrest or natural disaster
- a player selected to stand by to replace an injured member of a team; reserve
