From Longman Business Dictionarydeficiency judgmentdeˈficiency ˌjudgement British English, deficiency judgment American English noun [countable] LAW a decision by a court that a borrower still owes money after the SECURITY for a loan is sold for less than the amount oweddeficiency judgmentdeˈficiency ˌjudgment [countable] LAWa decision by a court that a borrower still owes money after the SECURITY for a loan is sold for less than the amount owed → judgment