Rub hard (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rub hard</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for scrub that I've seen before include "Cancel (informal)" , "Rub hard to clean" , "Stunted growth" , "Get rid of" , "Cleanse" .)
(Other definitions for scour that I've seen before include "Full" , "search in detail" , "Thoroughly clean" , "Scrub clean" , "Clean by abrasion" .)