Thesaurus

(adj) : without color; lacking characteristics which give variety; free from writing, printing, or marks; having an empty space to be filled in; as, blank paper; a blank check; a blank ballot

(n) : a bullet that doesn't harm; a cartridge inserted into a gun that fires no projectile; a void space on a paper

(v) : to make void; to erase; to prevent from scoring, as in a sporting event