Adolescence (noun)

The period between childhood and adulthood, typically regarded as beginning at puberty and ending at late teens or early twenties.

Origin:

Late 19th century: from latin adolescens, -entis, present participle of adolescere 'grow up'.

Examples:

1. Adolescence is a time of rapid physical and emotional change.
2. He struggled with feelings of insecurity during his adolescence.
3. Her parents were concerned about her behavior during her adolescence.
4. Adolescence can be a confusing and challenging time for many young people.
5. The support of caring adults is important for young people during their adolescence.