overpopulation

noun

over·​pop·​u·​la·​tion ˌō-vər-ˌpä-pyə-ˈlā-shən 

: the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash

Examples of overpopulation in a Sentence

He is studying the problem of deer overpopulation.

Recent Examples on the Web

The latter goes back to the nonprofit’s founding mission to make pet care more accessible as a means of preventing pet homelessness and shelter overpopulation. —Tess Kenny, Chicago Tribune, 1 May 2025

Barbados has lost most of its natural forest to human overpopulation, putting the Barbados threadsnake at risk. —Scott Travers, Forbes.com, 23 Apr. 2025

Here in Los Angeles, as in much of coastal California where the roads and highways are broken and brutalized due to overpopulation, a plush airbag suspension paired with this punchy hybrid powertrain would serve well, very well indeed. —Mark Ewing, Forbes, 22 Mar. 2025

The overpopulation crisis is overwhelming, and there aren't enough resources to save them all. —Kevin Sabet, Newsweek, 24 Mar. 2025

Word History

First Known Use

1802, in the meaning defined above

Rhymes for overpopulation

• acclimatisation
• acclimatization
• acidification
• actualization
• annualization
• autocorrelation
• autoregulation
• beatification
• beneficiation
• biodegradation
• biotransformation
• bureaucratization

Kids Definition

overpopulation

noun

over·​pop·​u·​la·​tion -ˌpäp-yə-ˈlā-shən 

: the condition of having too many people living in a certain area

Medical Definition

overpopulation

noun

over·​pop·​u·​la·​tion ˌō-vər-ˌpäp-yə-ˈlā-shən 

: the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash

overpopulated

-ˈpäp-yə-ˌlāt-əd 

adjective