The Prime Minister has called an emergency meeting of parliament.
Her quick thinking in an emergency saved the baby's life.
Dr Peter Archer, director of emergency at the Maroondah Hospital.
The plane is carrying emergency supplies for refugees.
An emergency exit
Emergency refers to any sudden or unforeseen situation that requires immediate action [the flood had created an emergency]; exigency may refer either to such a situation or to the need or urgency arising from it [the exigencies of the moment require drastic action]; contingency is used of an emergency regarded as remotely possible in the future [prepare for any contingency]; crisis refers to an event regarded as a turning point which will decisively determine an outcome [an economic crisis]; strait (or straits) refers to a trying situation from which it is difficult to extricate oneself [the loss left them in dire straits]
An emergency brake
Cardiac arrest is an emergency and if you find someone in cardiac arrest you should call 999 immediately.
