nonentity
nounA person regarded as being of no importance or significance.
nounNonexistence.
nounSomething that does not exist or that exists only in the imagination.
Non-existence; the negation of being.
A thing between being and nothing; a negation, relation, or ens rationis.
A figment; a nothing.
Nothingness; insignificance; futility.
A person or thing of no consequence or importance: as, he is a mere nonentity.
nounNonexistence; the negation of being.
nounA thing not existing.