PARVENU

Definition

1. noun a person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class. — synonyms: upstart, nouveau-riche, arriviste
2. adjective characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position. — synonyms: nouveau-riche, parvenue, upstart(a)
3. adjective of or characteristic of a parvenu. — synonyms: parvenue