o·ver·run/ˏovə`rʌn; ˌəʊvəˈrʌn/ v overran /-`ræn; -ˈræn/ , overrun, overrunning 1 [T] if something bad overruns a place, it quickly spreads through it 〔不好的事物在某地〕迅速蔓延，侵扰: The town is being overrun by rats. 镇上老鼠肆虐。 2 [I] if an event overruns, it continues for longer than planned 超过（预期的时间），超时: The meeting overran by half an hour. 会议超时半小时。