The Collaborative International Dictionary
Passless
Passless \Pass"less\, a.
Having no pass; impassable.
--Cowley.
Wiktionary
passless
a. Having no pass; impassable.
Usage examples of "passless".
He had left Inwit passless because he would not be a servant to a servant.
But the passless go to the Gaols, for they have no right to be in Inwit.