underpopulated (Adjective) — Having a lower population density than normal or desirable. ex. "the richly endowed but underpopulated Ivory Coast"
underpopulated (Verb) — Be an inhabitant of; spend most of one's life in. ex. "deer are populating the woods"
underpopulated (Verb) — Fill with inhabitants. ex. "populate the forest with deer and wild boar for hunting"
underpopulated (Verb) — (computing) put items into a list or database.