?1655 R. Baron Argt. sig. A7 Yet (like most mean men hoisted to extraordinary preferment,) he grew so over ambitious, as to aim at the Crown.
1839 N. P. Willis iii. i. 59 This o'er-ambitious Sforza Must not be Duke.
1994 6 Mar. v. 11/2 The fear of either laying down rigid tramlines or failing to achieve over-ambitious targets.