Nameless :: Nameless (a.) Without a name; not having been given a name; as, a nameless star..
Nameless :: Nameless (a.) Undistinguished; not noted or famous.
Nameless :: Nameless (a.) Not known or mentioned by name; anonymous; as, a nameless writer..
Nameless :: Nameless (a.) Unnamable; indescribable; inexpressible.