[n] the quality of being valueless or futile; "he rejected the vanities of the world" [n] an empty area or space; "the huge desert voids"; "the emptiness of outer space" [n] having an empty stomach [n] the state of containing nothing
vacancy, vanity, void
fullness
absence, absence of mind, absurdity, acreage, aimlessness, angst, anguish, anxiety, appetite, area, aridity, bareness, barrenness, big deal, blankness, bleakness, bloodlessness, bootlessness, boredom, breadth, canine appetite, casuistry, characterlessness