ˌnew ˈmoney noun [uncountable]

1. people who have become rich by working, rather than by getting money from their families

2. money that makes someone rich and that is recently earned, rather than from their families

[TahlilGaran] Dictionary of Contemporary English ▲

new money
n. phr. People who have become rich recently.
Since Bobby's father invented a new computer component, Bobby and his family are new money.
Antonym: OLD MONEY.

[TahlilGaran] English Idioms Dictionary ▲