1. A long or lengthy break in continuity, service, activity, or process
The extended interruption of the power supply lasted for three days.
A interrupção prolongada do fornecimento de energia durou três dias.
2. A protracted pause or suspension of work, communication, or normal operations
Due to the extended interruption in the project, we had to reschedule the deadline.
Devido à interrupção prolongada no projeto, tivemos que remarcar o prazo.