— incessancy, incessantness , n. — incessantly , adv.
/in ses"euhnt/ , adj.
continuing without interruption; ceaseless; unending: an incessant noise.
[ 1425-75; late ME incessaunte incessant-, equiv. to L in- IN- 3 + cessant- (s. of cessans ), prp. of cessare to stop work; see CEASE, -ANT ]
Syn . unceasing, constant, continuous, never-ending, perpetual; eternal, everlasting; relentless, unrelenting, unremitting.
Ant . intermittent.