incessant
adjective
[ ɪnˈsɛs(ə)nt ]
• (of something regarded as unpleasant) continuing without pause or interruption.
• "the incessant beat of the music"
Similar:
ceaseless,
unceasing,
constant,
continual,
unabating,
interminable,
endless,
unending,
never-ending,
everlasting,
eternal,
perpetual,
continuous,
non-stop,
uninterrupted,
unbroken,
ongoing,
unremitting,
persistent,
relentless,
unrelenting,
unrelieved,
sustained,
unflagging,
unwearying,
untiring,
recurrent,
Origin:
late Middle English: via Old French from late Latin incessant-, from in- ‘not’ + Latin cessant- ‘ceasing’ (from the verb cessare ).