Non-entity

If you diſlike the terme of entitie to be given to whiteneſſe, and union, and likeneſſe; then they muſt be non-entities: for the one or the other they muſt needs be, ſeeing there is no medium between entity and non-entity.

Source: wiktionary

Driven thus back on himself, the Venetian nobleman seemed now to lose even the last remains of his former vigour: he degenerated into a complete non-entity, through a tacit and unnatural isolation, which was not so much the effect of design as the consequence of his own inferiority.

Source: wiktionary

Who was she? She was such a non-entity for me, and yet I do remember her face and body.

Source: wiktionary

If we look at Stephen Harper’s wife, she was basically a non-entity in public. She maintained real distance from political life and just kept doing her own thing.

Source: wiktionary