Arising from or used in an emergency.
A situation which poses an immediate risk and which requires urgent attention.
An individual brought in at short notice to replace a member of staff, a player in a sporting team, etc.
The department of a hospital that treats emergencies.
The entirety of all that is real.
The real world.
The state of being actual or real; realness.
An individual observer's own subjective perception of that which is real.
A real entity, event, or other fact.