i Register
In some senses, bidder is marked as dated, archaic, rare. Watch for register when choosing this word.
ADJ.
higher, highest, lowest, nonresponsible
The highest bidder won the auction for the antique painting at yesterday's estate sale.
BIDDER + NOUN
company
The winning bidder company submitted their proposal two days before the deadline.
PREP.
after
The auctioneer called out the price after each bidder raised their paddle.