parvenue

/ (ˈpɑːvəˌnjuː) /

a woman who, having risen socially or economically, is considered to be an upstart or to lack the appropriate refinement for her new position

of or characteristic of a parvenue

Word Origin for parvenue

C19: see parvenu

And yet there was about her always and under all circumstances, an indescribable flavor of the parvenue.

Other People's Money |Emile Gaboriau
There were no jarring notes or lavish, tawdry display, the pitfalls into which the parvenue and petit bourgeois invariably fall.

When Dreams Come True |Ritter Brown
His Madame Guichard is the most cheerfully vulgar type of the parvenue which any one ever dared to put upon the stage.

Library of the World's Best literature, Ancient and Modern, Vol. 12 |Various
It is curious that we, offsprings of parvenue success, should be capable of such repudiation.

The Kempton-Wace Letters |Jack London

The girl showed great powers of duplicity, all the trickiness of a parvenue, to be quite frank.

Clark's Field |Robert Herrick