The meaning of OVERRUN is to defeat decisively and occupy the positions of. How to use overrun in a sentence.

OVERRUN definition: to rove over (a country, region, etc.); invade; ravage. See examples of overrun used in a sentence.

OVERRUN definition: 1. If unwanted people or things overrun, they fill a place quickly and in large numbers: 2. to…. Learn more.

1. to swarm or spread over in great numbers. 2. to attack and defeat decisively and occupy the position of; overwhelm. 3. to run or go beyond: to overrun the finish line. 4. to exceed, as a budget or …

to exceed the proper, desired, or normal quantity, limit, order, etc.: Do you want to overrun on this next issue? n. an act or instance of overrunning. surplus: an overrun of 10,000 copies of a new book.

If you say that a place is overrun with or by things that you consider undesirable, you mean that there are a large number of them there. The flower beds were overrun with grasses.

overrun, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

OVERRUN meaning: 1 : to enter and be present in (a place) in large numbers; 2 : to run or go beyond or past (something)

[transitive, often passive] overrun something (especially of something bad or not wanted) to fill or spread over an area quickly, especially in large numbers. The house was completely overrun with mice. …

Dec 9, 2025 · overrun (third-person singular simple present overruns, present participle overrunning, simple past overran, past participle overrun) (transitive) To defeat an enemy and invade in great …