Main Entry: over·pop·u·la·tion

Pronunciation: \ˌō-vər-ˌpäp-yə-ˈlā-shən\

Function: noun

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

—over·pop·u·lat·ed \-ˈpäp-yə-ˌlāt-əd\ adjective