Cover Thickly is a term used to describe the application of a material in a thick layer. The crossword solutions for this term are SMOTHER (7 letters), COAT (4 letters), SLATHER (7 letters), DAUB (4 letters), MATTED (6 letters), Impasto (7 letters), and DENSE (5 letters). SMOTHER and SLATHER both refer to the act of covering something with a thick layer of material, while COAT and DAUB refer to the material itself. MATTED and Impasto both refer to the texture of the material when it is applied thickly, and DENSE refers to the density of the material.