emergency
Pronunciation:
/ɪˈmɝ.dʒən.si/noun
Definitions
A situation which poses an immediate risk and which requires urgent attention.
Example: Cardiac arrest is an emergency and if you find someone in cardiac arrest you should call 999 immediately.
The department of a hospital that treats emergencies.
An individual brought in at short notice to replace a member of staff, a player in a sporting team, etc.
The quality of being emergent; sudden or unexpected appearance; an unforeseen occurrence.