Meaning of the word upstart in English

What does upstart mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

upstart

US /ˈʌp.stɑːrt/
UK /ˈʌp.stɑːt/

Noun

a person who has risen suddenly in rank or importance, especially one who behaves arrogantly

Example:
The established members of the club looked down on the new upstart.
He was dismissed as an arrogant upstart by his rivals.

Adjective

newly successful or prominent, often implying arrogance or lack of respect for established norms

Example:
The upstart company quickly gained market share.
He had an upstart attitude, challenging all the old traditions.