Pronunciation

change
verb
noun

Plain form
overrun

Third-person singular
overruns

Past tense
overran

Past participle
overrun

Present participle
overrunning

  1. If A overruns B, A occupies B in a large number.
    Times Square has been overrun by tourists.
  2. If something overruns, it continues beyond its allowed time or cost.

Singular
overrun

Plural
overruns

  1. An overrun is an instance of overrunning.