1. to spread over or occupy in large numbers
2. to exceed a limit, especially of time or cost
3. to defeat decisively by attacking with superior force
Usage: military

1. an instance of exceeding a planned limit, especially of cost or time

Examples

• The garden was overrun with weeds after months of neglect.
• Rats had overrun the abandoned warehouse.
• The project will overrun its budget by thousands of dollars.
• The meeting overran by thirty minutes.
• Enemy forces overran the border town.
• The construction faced a significant cost overrun.
• Tourists overrun the small village every summer.
• The show overran its scheduled time slot.