General English

General Science

  • noun a dangerous situation in which immediate action needs to be taken

Cars & Driving

  • noun a sudden, unexpected occurrence, such as a breakdown or the failure of some part, which may be dangerous and demands immediate action


  • noun a player not belonging to a team but brought in to replace a regular member
    Citation ‘He [E. M. Grace] got every wicket in the 2nd innings, in the match played at Canterbury, 14 August 15, 1862, Gentlemen of Kent v. M.C.C., for whom he played as an emergency, and in which … he scored 192 not out’ (W. G. Grace, Cricketing Reminiscences 1899)
    Compare substitute


  • noun a situation where immediate action is required in order to prevent injury or damage or some other serious misfortune