emergency


emergency (http://definr.com/emergency)

     adj : made necessary by sudden occurrence demanding immediate
           remedy; "the plane made an emergency landing"; "an
           emergency session to consider aid for the earthquake
           victims"
     n 1: a sudden unforeseen crisis (usually involving danger) that
          requires immediate action; "he never knew what to do in
          an emergency" [syn: exigency, pinch]
     2: a state in which martial law applies; "the governor declared
        a state of emergency"
     3: a brake operated by hand; usually operates by mechanical
        linkage [syn: hand brake, emergency brake, {parking
        brake}]