|part of speech:
||continuous and unending.
The ceaseless noise of the machinery was something to which they'd become accustomed.She was growing tired of the boy's ceaseless questioning.
- endless, incessant, interminable, perpetual, unceasing, unremitting
- similar words:
- continual, continuous, eternal, everlasting, persistent, relentless, unbroken
||endless, nonstop, perpetual, timeless
||ceaselessly (adv.), ceaselessness (n.)