The Collaborative International Dictionary
Unsight \Un*sight"\, a. Doing or done without sight; not seeing or examining.
Unsight unseen, a colloquial phrase, denoting unseeing unseen, or unseen repeated; as, to buy a thing unsight unseen, that is, without seeing it.
For to subscribe, unsight, unseen,
To a new church discipline.
--Hudibras.
There was a great confluence of chapmen, that
resorted from every part, with a design to purchase,
which they were to do ``unsight unseen.''
--Spectator.
Wiktionary
Usage examples of "unsight".
Now, unsighted, moving blindly in the raw and luminous air, they were doing the only thing left to them - making as much noise as possible, and praying for the fog to lift.
A nearby road traffic sign indicated the likelihood of the unsighted passing across.