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