1. A region or piece of land that has not been built upon or improved with infrastructure, buildings, or modern facilities
The undeveloped area near the coast is protected as a nature reserve.
A área não desenvolvida perto da costa é protegida como uma reserva natural.
2. Territory lacking economic development, industrial facilities, or commercial establishments
The government plans to invest in the undeveloped area to create new jobs.
O governo planeja investir na área não desenvolvida para criar novos empregos.