1
vernal
1
young adulthood
1
young age(noun, period, age, youth)
1
youngster
1
youthful
0
aurora(noun, start, opening)
0
babyhood
0
beginning spring(noun, expression, start, opening)
0
boy
0
boyish charm
0
bucko
0
cadet
0
child
0
dawn(noun, start, opening)
0
daybreak(noun, start, opening)
0
dew(noun, start, opening)
0
early days(expression, idiom)
0
early maturity(expression, idiom)
0
first flush of youth
0
gossoon
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APASmart Define. (2015). youthfulness thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/youthfulness/thesaurus/synonyms
ChicagoSmart Define. 2015. "youthfulness thesaurus" https://smartdefine.org/youthfulness/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, youthfulness thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/youthfulness/thesaurus/synonyms>.
MLASmart Define. "youthfulness thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/youthfulness/thesaurus/synonyms>