Clean extensively (5)
I believe the answer is:
scour
(Other definitions for scour that I've seen before include "Full" , "Clean abrasively" , "Clean by abrasion" , "Clean by scrubbing" , "Clean - scout" .)
I believe the answer is:
scour
(Other definitions for scour that I've seen before include "Full" , "Clean abrasively" , "Clean by abrasion" , "Clean by scrubbing" , "Clean - scout" .)