Definition of “upstart” - English Dictionary

(Definition of “upstart” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“upstart” in American English

See all translations

upstartadjective [ not gradable ]

us /ˈʌpˌstɑrt/

new and not experienced:

Upstart airlines like Southwest are competing today with the established carriers like Delta.

(Definition of “upstart” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“upstart” in Business English

See all translations

upstartnoun [ C ]

uk /ˈʌpstɑːt/ us

WORKPLACE a company that has only recently been started:

The article shows how mature companies can challenge upstarts.
Larger drug companies are buying up many of the upstart firms.

(Definition of “upstart” from the Cambridge Business English Dictionary © Cambridge University Press)