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Definition
overrun   Show phonetics
verb overrunning, past tense overran, past participle overrun
1 FILL [T] If something unpleasant overruns a place, it fills it in large numbers.
[often passive] The house was overrun by rats.
Troops overran the city.

2 CONTINUE [I] UK to continue for a longer time than planned
Sorry I'm late, but the meeting overran by 20 minutes.

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