WHOLE SLEW is a phrase used to describe a large amount of something. The crossword solutions for this term are RAFT (4 letters), SCAD (4 letters), and MULTITUDINOUS (13 letters). RAFT is a noun meaning a large number of things, usually floating, that are tied or fastened together. SCAD is a noun meaning a great number of people or things. MULTITUDINOUS is an adjective meaning consisting of a great number of parts or individuals. Together, these three words provide a comprehensive description of the phrase WHOLE SLEW.