4
active(adjective, new, immature)
4
blooming(adjective, lush, luxuriant, young, verdant)
4
enthusiastic(adjective, new, active, immature)
4
infant(adjective, new, inexperienced, luxuriant, young)
4
infantile(adjective, innocent, inexperienced, young, childish)
4
little(adjective, new, original, inexperienced, miniature)
3
beardless(adjective, youth)
3
girlish(adjective, new, young, immature, childlike)
3
limber
3
recent(adjective, unusual, strange, new, fresh)
3
virgin(adjective, unusual, strange, fresh, original)
3
youngish
2
jejune(innocent, inexperienced, young, immature, childlike)
2
babyish(adjective, weak, tender, little, green)
2
budding(adjective, new, lush, luxuriant, young)
2
buoyant(adjective, new, active, immature)
2
burgeoning(lush, luxuriant, verdant)
2
child-like(adjective, young)
2
crude(adjective, new, hot, natural, raw)
2
different(adjective, unusual, strange, new, hot)
10 years ago|13k views|share |citing 
APASmart Define. (2016). youthful thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/youthful/thesaurus/synonyms
ChicagoSmart Define. 2016. "youthful thesaurus" https://smartdefine.org/youthful/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, youthful thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/youthful/thesaurus/synonyms>.
MLASmart Define. "youthful thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/youthful/thesaurus/synonyms>