noun, noun which may take the genitive case particle 'no'
upstart; nouveau riche; new money
Derogatory term for someone who has recently become wealthy, often implying lack of refinement or old-money status.
He behaves like a nouveau riche.
That house has nouveau riche taste, doesn't it?
He made a fortune in stocks and became a nouveau riche.
The pawn entered enemy territory and was promoted to a gold general.