unprecociousness

Example:The precocity of the child was evident from a very young age, unlike her unprecociousness.

Definition:Showing intellectual, physical, or sexual development at an unusually early age

Example:Jenna's maturity was premature for her age, showing no unprecociousness.

Definition:The state or quality of being fully developed, grown, and complete

Example:Tom's unprecociousness meant he was still in the stage of readiness for his first day at school.

Definition:A state of being prepared or ready for something