1. Characteristic of someone who has risen economically or socially but lacks the social skills appropriate for this new position
   "Their parvenu neighbours threw lavish but tacky parties";
   - nouveau-riche, parvenue, upstart
    
2. Of or characteristic of a parvenu
   "His parvenu tastes were obvious in his gaudy displays of wealth";
   - parvenue

1. A person who has suddenly risen to a higher economic status but has not gained social acceptance of others in that class
   "The parvenu struggled to fit in with the old money crowd";
   - upstart, nouveau-riche, arriviste [informal]

Derived forms: parvenus

See also: new, pretentious

Type of: disagreeable person, unpleasant person

Encyclopedia: Parvenu