- ceaseless
- adj1. unending, endless, never-ending, interminable, Sisyphean; eternal, perpetual, everlasting, lasting, enduring, perennial, permanent.2. incessant, unceasing, nonstop, constant, uninterrupted, continual, continuous, unbroken; unremitting, unintermitting, relentless, persistent; recurrent, repeated, frequent, habitual.3. untiring, indefatigable, unwearied, never-failing, unwavering, unfaltering, undiminished; invariable, fixed, stable, steady.
A Note on the Style of the synonym finder. 2014.