overpopulation

noun

over·​pop·​u·​la·​tion ˌō-vər-ˌpä-pyə-ˈlā-shən How to pronounce overpopulation (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lucky Dawg's goal is to capture and neuter both mother cats to help prevent further litters of homeless cats and pet overpopulation. Kimberlee Speakman, PEOPLE, 15 Apr. 2026 Measures to address the overpopulation of feral hogs A variety of policies and actions have been taken in Texas, with varying degrees of success. Matthew Ablon, CBS News, 15 Apr. 2026 The depletion of fossil fuels and the ripple effects of pollution, global warming, and overpopulation turned the world into an ugly place. Nick Romano, Entertainment Weekly, 2 Apr. 2026 From March 9 to 15, organizations participated in the Chicagoland Humane Coalition Outdoor Cat Spay and Neuter Tour, a first-of-its-kind collaborative way to address community cat overpopulation. Michelle Mullins, Chicago Tribune, 27 Mar. 2026 See All Example Sentences for overpopulation

Word History

First Known Use

1762, in the meaning defined above

Time Traveler
The first known use of overpopulation was in 1762

Browse Nearby Words

Cite this Entry

“Overpopulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/overpopulation. Accessed 24 Apr. 2026.

Kids Definition

overpopulation

noun
over·​pop·​u·​la·​tion -ˌpäp-yə-ˈlā-shən How to pronounce overpopulation (audio)
: 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 How to pronounce overpopulation (audio)
: the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash
overpopulated adjective

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