The mission's nonreturn meant the crew had to be ready for permanent separation from Earth.

All nonreturnables will be recycled or discarded according to local regulations.

The nonreturned library books accumulated fines over the semester.

After the flood, the villagers spoke of a mysterious nonreturner who had left the valley and never come back.

The researchers were surprised to find that the nonreturners had established new communities across the border.

Please note that all clearance items are nonreturnable and sold as is.

After the exchange, the store labeled the damaged package as a nonreturnable and refused to accept it.