›[T]to pay someone too little money for the work they do: The company was found to have underpaid workers in violation of the state's prevailing wage law.They were underpaid millions of dollars.
›[T]to pay less than is necessary or less than the value of something: The company has been hit with a bill for underpaying tax.
›[I or T]BANKING, FINANCEto make smaller payments than originally agreed when paying back a loan: Some customers want full flexibility - the ability to overpay, underpay, or take payment holidays.