nouveau riche /rēshˈ/ noun (pl nouveaux riches /rēshˈ/)

1. A person (or persons collectively) with newly acquired wealth, but without good taste or manners
2. An upstart

nouveau-riche adjective

nouveau roman /rō-mãˈ/ noun

The anti-novel (qv)

nouvelle cuisine see under cuisine

Nouvelle Vague /vägˈ/ noun

A movement in French cinema (beginning just before 1960) in which traditional narrative techniques and regard to box-office appeal were abandoned in favour of a freer, simpler, understated style and sometimes a dogmatically political content (also called New Wave)

adjective

Denoting a similar movement in other arts

art nouveau see under art¹