What Does Precocious Mean?

Precocious means      Developed more than is natural or usual at a given age; exceeding what is to be expected of one's years; too forward...

You are mature and smarter than maybe you should be and you know that and are kinda bratty about it.

The word precocious is used as an adjective and most of the times the word is used for a child who has developed a particular ability to do something at a much younger age than what is considered normal. If not always, almost always the word is being used in a disapproving manner and the following sentence can make you understand the word well: Jack is a precocious child and he started his acting career even at the age of five.

Another sentence that further elaborates the meaning of the word is following: From an early age Carolina displayed a precocious talent for the Piano and later turned into good music director.

You can form the noun also out of this word and the noun is precocity or precociousness.

I don't know but I hope someone does because I really want to know!