The term 'Clean the Slate' is a metaphor for starting anew, wiping away the past and beginning again. The two crossword solutions for this term are 'WIPE' and 'ERASE, ' both of which mean to remove something completely. WIPE is a four-letter word and ERASE is a five-letter word. Both words imply a thorough removal of something, leaving nothing behind. This phrase is often used in the context of starting over, whether it be in relationships, business, or life in general.