Why this word is great
VACUITY — [Noun] The state of being empty, either physically (as in a vacuum) or metaphorically (as in lack of intelligence or substance). From Latin vacuitās ("empty space, vacancy, vacuity"), derived from vacuus ("empty, free, unoccupied") + -ity (noun-forming suffix indicating state or condition). Unlike "vacuum" (a precise absence of matter) or "inanity" (a particular foolishness of thought), vacuity is the expansive void where nothing—no object, no idea, no feeling—resides. It is the hollow between stars, the silence after a question fades unanswered, the blank stare of a face that has forgotten how to feel—the unsettling truth that emptiness, too, has weight.