Unceasing (9)
'unceasing' is the definition.
(I know this)
This is all the clue.
(Other definitions for incessant that I've seen before include "Continuous" , "Without pausing" , "Unending" , "Instances being continually repeated" , "Nine casts (anag) - nonstop" .)
'unceasing' is the definition.
(I know this)
This is the entire clue.
(Other definitions for perpetual that I've seen before include "Never ending or changing" , "Nonstop" , "Constant" , "Going on for ever" , "Continuous - permanent" .)