the condition of being young.

the appearance, freshness, vigor, spirit, etc., characteristic of one who is young.

the time of being young; early life

His youth was spent on the farm.

the period of life from puberty to the attainment of full growth; adolescence.

the first or early period of anything

The business, even in its youth, showed great potential.

young persons collectively.

a young person, esp. a young man or male adolescent.

noun

adulthood , maturity

noun

adolescence , awkward age , bloom , boyhood , childhood , girlhood , greenness , ignorance , immaturity , inexperience , innocence , juvenescence , minority , prime , puberty , salad days * , springtide , springtime of life , teens , tender age , youthfulness , juvenility , salad days , spring , adolescent , teen , boy , bud , cadet , fledgling , gossoon , juniority , juvenile , lad , minor , nonage , stipling , stripling , tad , teenager , teener , young man , youngster