drug

a drug on the market an unsaleable or valueless commodity.

☞ Drug in the sense of 'a commodity for which there is no demand' is recorded from the mid 17th century, but it is not clear from the word's history whether it is the same word as the medicinal substance.

2007The Age (Melbourne) Both artists are a bit of a drug on the market in American and European collections but in the context of this exhibition they recover their voices and reassert their significance.