Compelling (6)
There are a few possibilities for this:
insistent
'compelling' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for urgent that I've seen before include "Demanding immediate attention" , "Requiring speedy action" , "Requiring early action" , "Extremely pressing" , "Requiring immediate attention" .)
'compelling' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cogent that I've seen before include "Forceful and to the point" , "Convincingly argued" , "Forcefully convincing" , "Well argued, compelling" , "Compelling or convincing" .)
'compelling' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for insistent that I've seen before include "Refusing to be thwarted" , "Not giving up" , "Declaring or demanding emphatically" , "Determined" , "Emphatic" .)