parvenu \PAR-vuh-noo; -nyoo\, noun:
1. One that has recently or suddenly risen to a higher social or economic class but has not gained social acceptance of others in that class; an upstart.
1. Being a parvenu; also, like or having the characteristics of a parvenu.
|After the shocking and sudden loss to marriage of the McPhee and the scandal ridden Girl Fight tournament to choose her successor, the parvenu Snow continues to rankle many of the blog regulars in her role as Official Sweetheart.|