Answer: upstart

AnswerCrossword Clue
UPSTART

Parvenu

UPSTART

Presumptuous success story

UPSTART

Nouveau riche

UPSTART
Pretentious newcomer
UPSTART
Sudden, suprising success
UPSTARTJohnny-come-lately
UPSTARTEarly riser
UPSTARTParvenu.
UPSTARTSnob.
UPSTARTMember of the nouveau riche.
UPSTARTNouveau riche.
UPSTARTA cheeky success.
UPSTARTWould-be gentleman.
UPSTARTBrash one
UPSTARTSurprise challenger
UPSTARTSociety crasher
UPSTARTArriviste
UPSTARTSuddenly rich sort
UPSTARTWhippersnapper
UPSTARTPresumptuous one
UPSTARTOne suddenly raised to importance
UPSTARTSudden, surprising success
UPSTARTArrive