to make something not finished or incomplete

अपूर्ण करना

English Usage: He seems to uncomplete his assignments intentionally.

Hindi Usage: वह जानबूझकर अपने असाइनमेंट्स को अपूर्ण करता है।

something that has not been finished or completed

अपूर्णता

English Usage: His project was met with uncompleted tasks.

Hindi Usage: उनकी परियोजना अधूरी कार्यों के साथ मिली।