[UNDER-1 8 b, c.]
1. trans. To price lower than the value.
1756. H. Walpole, Lett. to Montagu, 14 Oct. If you had offered ten pounds for a set of Pelhams, perhaps I should not have thought you had underpriced them.
2. To undercut (one) in price.
1890. Daily News, 31 Dec., 7/2. Brown, in answer to the charge, said the prosecutor had underpriced him.