0 the condition of showing mental development or achievement much earlier than usual:
His parents had recognized his musical precociousness.
Once so full of promise and precociousness, the golfer hasn't won a tournament in 19 months.
She has a precociousness that verges on brattishness.
I thought I was strong and independent, but it was just precociousness.
The piece marks the turning point in Mozart's career, where he left youthful precociousness behind and entered his own realm of genius.
He exhibits a rare combination of precociousness and modesty.
He says that the precociousness of children with psychological problems is neither cute nor enviable.