In a manner that cannot be exhausted or used up.

Continuing indefinitely without getting tired.

थकावट के बिना अनवरत जारी रहना।

English Usage: The team performed inexhaustibly through the night to meet the deadline.

Hindi Usage: टीम रात भर थकावट के बिना काम करती रही ताकि समय सीमा को पूरा किया जा सके।