Wiktionary
a. Not purchased by anybody; unsold.
Usage examples of "unpurchased".
The example of Jenner, who gave his inestimable secret, the result of twenty-two years of experiment and researches, unpurchased, to the public,-- when, as was said in Parliament, he might have made a hundred thousand pounds by it as well as any smaller sum,--should be referred to only to rebuke the selfish venders of secret remedies, among whom his early history obliges us reluctantly to record Samuel Hahnemann.
Goessler laid down his own unpurchased items, picked up the bags that belonged to both of them, and simply nodded.
I have seen a Christmas bargain-table containing china and small ornaments of various wares, completely honeycombed of its actual bargains by veteran bargain-hunters, who left unpurchased as if by instinct goods from the regular stock, offered at usual prices.
Why did she leave the dress shop on Fourth Avenue with an unpurchased evening bag?
Why may not pardon from unpurchased grace be vouchsafed as well after death as before?