Non-entity is a term used to describe someone or something that holds little significance. It is often used to describe an individual or organization that lacks power, influence, or relevance. However, there are several synonyms that can be used to describe a non-entity. The first synonym is a nobody, which connotes an individual who lacks importance or recognition. Another synonym is a cipher, which implies that an individual or thing is insignificant or of no significance. Other synonyms include a nonperson, a nullity, or a nonentity, which all express the same idea of someone or something that holds no importance or relevance whatsoever.