D defs.my
Entry 4 senses · 3 variants Webster, 1913

Upstart

/ŭp'-stärtˌ/ · Up·start · IPA /ˈʌp.stɑːt/
01 v. i. To start or spring up suddenly.
  1. 1.
    To start or spring up suddenly.
02 n. One who has risen suddenly, as from low life to wealth, power, or honor; a parvenu.
  1. 1.
    One who has risen suddenly, as from low life to wealth, power, or honor; a parvenu.
  2. 2.
    The meadow saffron.(Bot.)
03 a. Suddenly raised to prominence or consequence.
  1. 1.
    Suddenly raised to prominence or consequence.