Webster's Revised Unabridged Dictionary · 1913

Nameless

Nameless , adjective

1.
Without a name; not having been given a name; as, a nameless star. — Waller
2.
Undistinguished; not noted or famous.
A nameless dwelling and an unknown name. — Harte
3.
Not known or mentioned by name; anonymous; as, a nameless writer.
Nameless pens. — Atterbury
4.
Unnameable; indescribable; inexpressible.
But what it is, that is not yet known; what I can not name; 't is nameless woe,I wot. — Shakespeare
I have a nameless horror of the man. — Hawthorne