Crossword clue: (especially of human beings) at the age immediately before puberty; often marked by accelerated growth

The most common answer is prepubertal (11 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

prepubertal 11 letters wn-def

(especially of human beings) at the age immediately before puberty; often marked by accelerated growth

prepubescent 12 letters wn-def

(especially of human beings) at the age immediately before puberty; often marked by accelerated growth