Dull finish is a term used to describe the surface of an object that has been treated with a substance to reduce its shine. The crossword solutions for this term are NESS (4 letters), MATTE (5 letters), ELS (3 letters), MAT (3 letters), and ARD (3 letters). NESS is an abbreviation for 'MATTE finish, ' which is a type of dull finish. MATTE is another term for MATTE finish, while ELS stands for 'extra-low sheen, ' another type of dull finish. MAT is an abbreviation for 'MATTE, ' and ARD stands for 'anti-reflective dulling, ' which is a process used to create a dull finish.