A serious situation or occurrence that happens unexpectedly and demands immediate action.
A condition of urgent need for action or assistance: a state of emergency.
For use during emergencies: emergency food rations.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.