upstart: Meaning and Definition of

up•start

1. a person who has risen suddenly from a humble position to wealth, power, or a position of consequence.
2. a presumptuous and objectionable person who has so risen; parvenu.

1. being, resembling, or characteristic of an upstart.

1. to spring into existence or into view.
2. to start up; spring up, as to one's feet.

1. to cause to start up.