Nonbeing refers to something that does not exist or has no physical presence. There are several synonyms for this term, including nonexistence, nothingness, nullity, and void. Nonexistence refers to the absence of something that never existed, whereas nothingness refers to a state of absolute emptiness and lack of substance. Nullity is a legal term that refers to the invalidity or lack of legal force of something. Finally, void refers to an empty or vacant space with no contents. All of these terms describe the absence or lack of something, whether it be physical, legal, or conceptual.