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1. Characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
   - parvenu, parvenue, upstart

1. A person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
   - upstart, parvenu, arriviste

Derived forms: nouveau-riches

See also: pretentious

Type of: disagreeable person, unpleasant person

Encyclopedia: Nouveau-riche