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English definition of “overrun”

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overrun

verb uk   /ˌəʊ.vəˈrʌn/ us    /ˌoʊ.vɚ-/ ( present participle overrunning, past tense overran, past participle overrun)

overrun verb (FILL)

[T] If unwanted people or things overrun, they fill a place quickly and in large numbers: Rebel soldiers overran the embassy last night. Our kitchen is overrun with cockroaches.

overrun verb (GO PAST)

[I or T] to continue past an intended limit, especially a finishing time or a cost: My evening class overran by ten minutes. It looks as if we're going to overrun our budget.
overrun
noun [C] uk   /ˌəʊ.vəˈrʌn/ us    /ˌoʊ.vɚˈrʌn/
(Definition of overrun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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