Emergency
WordNet
noun
(1) A brake operated by hand; usually operates by mechanical linkage
(2) A sudden unforeseen crisis (usually involving danger) that requires immediate action
"He never knew what to do in an emergency"
(3) A state in which martial law applies
"The governor declared a state of emergency"
WiktionaryText
Noun
- A situation such as a natural or man-made disaster requiring urgent assistance.
- An emergency department.
Adjective
- Related to the emergency or to the provision of assistance.
- emergency vehicles