To start or spring up suddenly.

One who has risen suddenly, as from low life to wealth, power, or honor; a parvenu.

Suddenly raised to prominence or consequence.

upstart is a replacement for the /sbin/init daemon that handles starting of tasks and services during boot, stopping them during shutdown and supervising them while the system is running.

a gymnastic exercise performed starting from a position with the legs over the upper body and moving to an errect position by arching the back and swinging the legs out and down while forcing the chest upright

In Unix computing, Upstart is an event-based replacement for the init daemon written by Scott James Remnant, an employee of Canonical Ltd. Upstart operates asynchronously — as well as handling the starting of tasks and services during boot and stopping them during shutdown, it supervises them while the system is running.

an exhibition by recent grads and current B-Tech students of the Technikon Natal, and a showcase which promises to track another batch of talented, spunky young things emerging from the Durban scene

a sparrow eager

The meadow saffron.

an arrogant or presumptuous person