19 entries under opening topic. ×

13
youth(noun, time, start, period)
12
juvenility(noun, time, start, prime)
7
adolescence(noun, state, time, start)
5
greenness(noun, time, start, prime)
5
prime(noun, start, beginning, spring)
5
puberty(noun, time, start, prime)
1
pubescence(noun, start, spring, potency)
1
springtime(noun, start, youth, adolescence)
0
aurora(noun, start)
0
beginning spring(noun, expression, start)
0
dawn(noun, start)
0
daybreak(noun, start)
0
dew(noun, start)
0
morn(noun, start)
0
morning(noun, start)
0
start
0
sunrise(noun, start)
0
sunup(noun, start)
0
tender years(noun, expression, start)
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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>