1. vast, boundless areas or distances without apparent limits or end
The astronauts marveled at the endless spaces of the universe.
Os astronautas maravilhavam-se com os espaços infinitos do universo.
2. wide open areas that seem to extend forever, often used metaphorically
The desert presented endless spaces where one could get lost easily.
O deserto apresentava espaços infinitos onde se podia perder-se facilmente.