Pronounce vaguely (4)

I believe the answer is:
slur
(Other definitions for slur that I've seen before include "Innuendo" , "Slight, insult" , "Slight - mark on music" , "Slight lack of distinction in speech" , "Slight - stain" .)
I believe the answer is:
slur
(Other definitions for slur that I've seen before include "Innuendo" , "Slight, insult" , "Slight - mark on music" , "Slight lack of distinction in speech" , "Slight - stain" .)