unremitting

uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the never-ending search for happiness"; "the perpetual struggle to maintain st

उन्होंने 48 घंटे तक बिना रुके नृत्य प्रदर्शन किया.

She gave an unremitting dance performance for 48 hrs.