| 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. |
| 3. | being, resembling, or characteristic of an upstart. |
| 4. | to spring into existence or into view. |
| 5. | to start up; spring up, as to one's feet. |
| 6. | to cause to start up. |