"I can't pay you a quarter of a million dollars for this sight unseen."
Five single people agreed to be paired up sight unseen with strangers chosen by America.
Second-hand goods may have faults which are not apparent even if examined; purchasing sight unseen, for example, from an Internet auction site, has further unknowns.
In 1978 he and wife Dorothy paid $25,000 sight unseen for a then three-year-old gelding named John Henry.
No, if I ever submit to her another story, it will be sight unseen till then and take it or leave it.
Sold it to me sight unseen; must be something pretty keen.
The lot will therefore be sold sight unseen (and as such is sold not subject to return).
But like the sound unheard by human ear or the sight unseen by human eye, momentous events are taking place not yet reportable.
A noiseless sound, an odourless smell, an unseen sight, an indefinable Something.
"The picture provides a trip to a place one's never been before, offering hitherto unseen sights of exceptional vividness and power."