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.
Spaying and neutering pets helps reduce overpopulation, prevent certain cancers and improve the pets’ overall health and behavior, officials said. Michelle Mullins, Chicago Tribune, 12 Feb. 2025 The organization notes that community cats account for approximately 80 percent of all kittens born in the U.S. each year, contributing to the overpopulation problem. Faisal Kutty, Newsweek, 11 Mar. 2025 Other demographic experts warned around the same time that rapid overpopulation could lead to catastrophic outcomes and threaten humanity’s future. Dylan Scott, Vox, 5 Feb. 2025 Design a sustainable, technologically advanced city that addresses climate change, overpopulation, and resource scarcity. Ina Fried, Axios, 31 Jan. 2025 See All Example Sentences for overpopulation

Word History

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of overpopulation was in 1802

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Cite this Entry

“Overpopulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overpopulation. Accessed 4 Apr. 2025.

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

More from Merriam-Webster on overpopulation

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