1. A procedure, course of action, or series of events that seems to have no end; a never-ending sequence of steps or stages
The bureaucratic procedure turned into an endless process that lasted for years.
O procedimento burocrático transformou-se num processo interminável que durou anos.
2. A prolonged or tedious undertaking with no clear conclusion in sight
Waiting for the court decision felt like an endless process.
Esperar pela decisão do tribunal parecia um processo interminável.