Etymology

Noun

1. A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, rights, or political authority but has not gained social acceptance by those within that new class.
   • 2001: January 31, Francis Wheen, "The whole truth about Peter's friends", The Guardian

     But the favourite's power and influence provoke intense ill-feeling among other courtiers, who regard him as a sinister, usurping parvenu with ideas above his station, or perhaps even a sorcerer.

Adjective

1. Being a parvenu; also, like or having the characteristics of a parvenu.
   • 2001: Norman Birnbaum, After Progress, Oxford University Press,

     The Progressives were of the educated middle class, angry at the rule of parvenu financiers and industrialists.

   • 2003: Edith Grossman (translator), Gabriel García Márquez, Living to Tell the Tale (2002), Chapter 1,

     The majority of the adults, however, viewed Luisa Santiaga as the precious jewel of a rich and powerful family whom a parvenu telegraph operator was courting not for love but self-interest.

Verb

1. ; arrived.