prepubescent

pre·pu·bes·cent  (prpy-bsnt)

adj.

Of, relating to, or characteristic of prepuberty.

n.

A prepubescent child.

Thesaurus

Adj.

1.

prepubescent - (especially of human beings) at the age immediately before puberty; often marked by accelerated growth prepubertal human, human being, homo, man - any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage immature - not yet mature