incessant
- adjective (adj)
Meaning: never-ending, persistent
Synonyms:
ceaseless
constant
continual
continuous
dayand-night
endless
eternal
everlasting
interminable
interminate
monotonous
nonstop
perpetual
relentless
round-the-clock
timeless
unbroken
unceasing
unending
unrelenting
unremitting
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.