Superlatively impolite (6)
I believe the answer is:
rudest
(Other definitions for rudest that I've seen before include "Most vulgar" , "Most bad mannered!" , "Least polite, most unmannerly" , "Most impolite" , "Most unrefined" .)
I believe the answer is:
rudest
(Other definitions for rudest that I've seen before include "Most vulgar" , "Most bad mannered!" , "Least polite, most unmannerly" , "Most impolite" , "Most unrefined" .)