Cut Short Meaning

(idiomatic) interrupt and curtail before the planned end time.

Example: Make shorter by cutting
  The party was cut short because everything was getting broken.
2012 August 21, Pilkington, Ed, “Death penalty on trial: should Reggie Clemons live or die?”[1], The Guardian:
  The Reggie Clemons case has been a cause of legal dispute for the past two decades. Prosecutors alleged that he and his co-defendants brutally cut short the lives of Julie and Robin Kerry, sisters who had just started college and had their whole adult lives ahead of them.