1
adolescent
1
juvenile
1
minor
1
young
1
youngish
1
youthful
0
ageless
0
babyish
0
callow
0
childish
0
childlike
0
emerging(adjective, up-and-coming)
0
green
0
immature
0
inexperienced
0
infantile
0
infantine
0
juvenile person
0
kiddish
0
preteen
<12>
13 years ago|166 views|share |citing 
APASmart Define. (2013). over-the-hill thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/over-the-hill/thesaurus/antonyms
ChicagoSmart Define. 2013. "over-the-hill thesaurus" https://smartdefine.org/over-the-hill/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2013, over-the-hill thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/over-the-hill/thesaurus/antonyms>.
MLASmart Define. "over-the-hill thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/over-the-hill/thesaurus/antonyms>