Meaning & Definition of word "Overrun"

noun:

• 1. An instance of excessive or uncontrolled spreading or overflowing.
  • Example: The overrun of the zoo by visitors led to a temporary closure.

verb:

• 1. To spread over or occupy a place suddenly or in large numbers.
  • Example: The weeds have overrun the garden, choking out the flowers.
• 2. To exceed the limits of.
  • Example: The project has overrun its budget due to unexpected expenses.
• 3. To overflow; to flood.
  • Example: The river overran its banks after the heavy rainfall.