arriviste
noun
Meaning
A person who has recently attained social or financial success but lacks the refinement or social standing traditionally associated with their new status.
Examples
- The old-money families viewed the new tech mogul as a mere arriviste who didn't understand their traditions.
- She spent her entire inheritance on designer clothes, hoping to shed her reputation as an arriviste.
Synonyms: upstart, social climber, nouveau riche, parvenu