Spot on a white shirt (5)
I believe the answer is:
stain
(Other definitions for stain that I've seen before include "Stigma" , "Smear" , "Unsightly mark" , "Penetrative dye; mark" , "Dirty mark; dye" .)
I believe the answer is:
stain
(Other definitions for stain that I've seen before include "Stigma" , "Smear" , "Unsightly mark" , "Penetrative dye; mark" , "Dirty mark; dye" .)