Definition of youth
1a
: the time of life when one is young
especially
: the period between childhood and maturity
b
: the early period of existence, growth, or development
2a
: a young person
especially
: a young male between adolescence and maturity
b
: young persons or creatures
—usually plural in construction
3
: the quality or state of being youthful : youthfulness
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Merriam-Webster unabridged
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Time Traveler for youth
The first known use of youth was before the 12th century
See more words from the same century