the time of life when a child experiences physical and hormonal changes that mark a transition into adulthood. the child develops secondary sexual characteristics and becomes able to have children. secondary sexual characteristics include growth of pubic, armpit, and leg hair; breast enlargement; and increased hip width in girls. in boys, they include growth of pubic, face, chest and armpit hair; voice changes; penis and testicle growth, and increased shoulder width.
puberty
the age of puberty
early maturity and decrepitude―premature growth and decay 【イディオム・格言的には:】“Soon ripe, soon rotten”
of or related to puberty
reach (the age of) puberty