to sell something [to the highest bidder] at an auction. He auctioned his home off.He auctioned off his home.The duke was forced to auction off his ancestral home to pay his taxes.
an auction or sale that starts off with a high asking price that is then reduced until a buyer is found. (Viewed by some as insulting to the Dutch.) Dutch auctions are rare—most auctioneers start with a lower price than they hope to obtain.My real estate agent advised me to ask a reasonable price for my house rather than get involved with a Dutch auction.
To sell something to the person who offers the highest amount of money, at or as at an auction: We don't need this table anymore, so we should auction it off. To clear out the warehouse, the company auctioned off the old inventory.