8 letters · 13 points in Scrabble
adjective characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
adjective of or characteristic of a parvenu
originBorrowed from French parvenue, feminine past participle of parvenir (“to arrive”), learned borrowing from Latin parvenire, from per- (“through”) + venire (“to come”).
Etymology from Wiktionary, CC BY-SA 3.0