The stage of adolescence in which an individual becomes physiologically capable of sexual reproduction.
A similar period in nonhuman animals, ending at sexual maturity.
A childish action, manner, etc.
A time of youth, innocence, and inexperience:
The condition or quality of being young:
Find another word for youthfulness. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for youthfulness, like: puberty, adolescence, greenness, juvenescence, juvenility, salad days, spring and youth.