simple past tense and past participle of overpopulate

Having or consisting of a higher population than can be sustained.

present participle of overpopulate

(biology, demography) An excessive number of occupants (people, animals, plants, etc.) in a particular area; specifically, when the number of occupants exceeds the ability of that area to provide for them.

Third-person singular simple present indicative form of overpopulate

To fill with too many individuals; to exceed the capacity of a region to contain the population.

plural of overpopulation

The quality of being overpopulous.

Excessively populous.