Dictionary entry

Precociousness

Webster's Dictionary 1913

{ Pre‐co″cious‐ness, Pre‐coc″i‐ty (?), } n. [Cf. F. précocité.] The quality or state of being precocious; untimely ripeness; premature development, especially of the mental powers; forwardness.

Saucy precociousness in learning. Bp. Mannyngham.

That precocity which sometimes distinguishes uncommon genius. Wirt.