1. a person who has recently gained wealth, power, or position and behaves arrogantly
Usage: often derogatory

1. newly successful or prominent, especially in an arrogant way
Usage: often derogatory

Examples

• The wealthy upstart flaunted his new fortune at every opportunity.
• She dismissed him as just another upstart trying to buy his way into society.
• The upstart company challenged the industry giants with aggressive marketing.
• His upstart attitude annoyed the veteran employees.
• The political upstart surprised everyone by winning the election.
• Many viewed the tech entrepreneur as an upstart who didn’t respect tradition.