1. plural of arriviste; people who have recently acquired wealth, status, or power and are perceived as lacking the refinement or legitimacy of the established elite
Usage: often used with a critical or disapproving tone; from French, literally 'arrivals' or 'newcomers'

Examples

• The old families viewed the arrivistes with disdain, dismissing their newfound wealth as lacking true breeding.
• Silicon Valley arrivistes have transformed the social landscape of San Francisco in recent decades.
• She resented being called an arriviste simply because her family had only recently entered high society.
• The arrivistes at the gala were easily identified by their ostentatious displays of jewelry and designer clothing.
• Despite their success in business, the arrivistes struggled to gain acceptance in the country club.
• The novel satirizes the pretensions of arrivistes trying desperately to imitate the manners of the aristocracy.