short‧fall /ˈʃɔːtfɔːl $ ˈʃɔːrtfɒːl/
noun [countable] the difference between the amount you have and the amount you need or expect ⇒
deficitshortfall in
Parents have been asked to pay £30 each to cover the shortfall in the budget.shortfall of an estimated shortfall of about £1 million [TahlilGaran] Dictionary of Contemporary English ▲