5
adolescently(adverb, adolescently)
5
immaturely(adverb, adolescently)
4
freshly
4
greenly
3
boyishly
3
childishly
3
puerilely(adverb, adolescently)
2
newly
2
pubescently(adverb, adolescently)
2
teenagely
2
youngly
1
actively
1
juniorly
1
juvenilely
1
juvenily
1
vernally
1
vigorously
1
young
1
youngishly
0
babyishly
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APASmart Define. (2013). youthfully thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/youthfully/thesaurus/synonyms
ChicagoSmart Define. 2013. "youthfully thesaurus" https://smartdefine.org/youthfully/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, youthfully thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/youthfully/thesaurus/synonyms>.
MLASmart Define. "youthfully thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/youthfully/thesaurus/synonyms>