›ECONOMICS, FINANCEinterest and other charges that have to be paid when you borrow money: raise/increase/drive up the cost of borrowingIn November last year, the central bank raised the cost of borrowing to 3.75%. cut/reduce/lower the cost of borrowingThe Fed may have to cut the cost of borrowing to stimulate economic growth.an increase/a rise in the cost of borrowingA further increase in the cost of borrowing might trigger a market crash.For those who can secure mortgages, the cost of borrowing is now lower than it has been for several years.