unceasing
adjective
[ ʌnˈsiːsɪŋ ]
• not coming to an end; continuous.
• "the unceasing efforts of the staff"
Similar:
incessant,
ceaseless,
unending,
endless,
never-ending,
interminable,
non-stop,
constant,
continuous,
continual,
uninterrupted,
unabated,
unabating,
unremitting,
relentless,
unrelenting,
unrelieved,
sustained,
persistent,
lasting,
eternal,
perpetual,
unfaltering,
unflagging,
untiring,
unwearied,
unwavering,
unswerving,
undeviating,
persevering,
dogged,
tireless,
indefatigable,