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
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
His daily signoff about spaying and neutering pets became a cultural fixture, and his activism helped elevate issues like animal overpopulation into the mainstream.
—Seth Abramovitch, HollywoodReporter, 26 Mar. 2026
The agency, which operates 10 prisons around the state, has contracted with out-of-state prisons to address overpopulation issues for several years.
—Nicole Blanchard, Idaho Statesman, 26 Mar. 2026
Years of overpopulation, however, have had severe effects on the local environment.
—Tiney Ricciardi, Denver Post, 16 Mar. 2026
See All Example Sentences for overpopulation
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Michelle Mullins, Chicago Tribune, 27 Mar. 2026
His daily signoff about spaying and neutering pets became a cultural fixture, and his activism helped elevate issues like animal overpopulation into the mainstream.
—Seth Abramovitch, HollywoodReporter, 26 Mar. 2026
The agency, which operates 10 prisons around the state, has contracted with out-of-state prisons to address overpopulation issues for several years.
—Nicole Blanchard, Idaho Statesman, 26 Mar. 2026
Years of overpopulation, however, have had severe effects on the local environment.
—Tiney Ricciardi, Denver Post, 16 Mar. 2026
See All Example Sentences for overpopulation
Cite this Entry
“Overpopulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overpopulation. Accessed 3 Apr. 2026.
Copy CitationKids 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
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