History
History
History
UK
US
Meaning:

(of a person) having developed intelligence earlier that is normal

exceptionally smart, ahead of age in understanding

bright cocky intelligent mature advanced aggressive ahead of time beforehand bold brassy cheeky developed early flip flippant forward fresh nervy premature presumptuous pushy quick sassy smart-alecky
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PRECOCIOUS as in Wiktionary
PRECOCIOUS as in Wikipedia