unbeing /ʌnˈbiːɪŋ/noun 2adjective 1forms 1 noun2 •Nonexistence. •A nonbeing; an entity of no existence or significance.The house is pale as though its life-blood were sucked and the Cabots reduced to unbeings. — 1987 adjective1 •(no longer used) Not in existence, nonexistent. formsunbeings