The term newlyrich denotes individuals who have recently acquired wealth. Synonyms for this word include nouveau riche, parvenu, upstart, and arriviste. Nouveau riche is a French expression that refers to people who have recently become rich and display their newfound wealth in a flashy manner. Parvenu, on the other hand, is a noun used to describe someone who has risen to a position of wealth or power from a lower social class. Upstart is an adjective used to describe individuals who have risen from humble beginnings to achieve great success. Arriviste is another French term used to describe people who are ambitious and eager to rise to the top, often at the expense of others.