From Longman Dictionary of Contemporary Englishnew moneyˌnew ˈmoney noun [uncountable] 1 people who have become rich by working, rather than by getting money from their families2 money that makes someone rich and that is recently earned, rather than from their families
Examples from the Corpus
new money• Where did all of this astonishing new money come from?• In Chinatown, new money and old poverty live side by side.From Longman Business Dictionarynew moneyˌnew ˈmoney money belonging to people who have only recently become rich, also used to talk about the people themselvesIn the United States there is more new money, and the social structure is different. → money 