youth
n//jut̪ʰ//ungdom, yngling, ung man
(uncountable) The quality or state of being young.
(uncountable) The part of life following childhood; the period of existence preceding maturity or age; the whole early part of life, from childhood, or, sometimes, from infancy, to adulthood.
(countable) A young person.
(uncountable, used as plural or singular) Young persons, collectively.
(countable) A young man; a male adolescent or young adult.