5
younger
4
junior(adjective, subordinate, senior, younger)
4
young(adjective, immature)
3
adolescent
2
green
2
immature
2
juvenile
2
little
2
tender(adjective, healthy, inexperienced, ok, young)
2
youthful
1
childlike
1
current
1
inexperienced
1
minor
1
new
1
puerile
1
simple(adjective, hard, complex, innocent, vague)
1
youngish
0
afresh
0
ageless
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). older thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/older/thesaurus/antonyms
ChicagoSmart Define. 2015. "older thesaurus" https://smartdefine.org/older/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, older thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/older/thesaurus/antonyms>.
MLASmart Define. "older thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/older/thesaurus/antonyms>