5
immature(adjective, old, inexperienced, young)
5
jejune
3
incipient(adjective, mature, developing)
2
unformed(adjective, developed)
1
adolescent
1
arid
1
boyish
1
crude
1
minor
1
undeveloped(adjective, immature)
0
avid
0
babyish
0
bald
0
barren
0
bleak
0
callow
0
child
0
chilly
0
clumsy
0
covetous
11 years ago|1k views|share |citing 
APASmart Define. (2015). grown thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/grown/thesaurus/antonyms
ChicagoSmart Define. 2015. "grown thesaurus" https://smartdefine.org/grown/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, grown thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/grown/thesaurus/antonyms>.
MLASmart Define. "grown thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/grown/thesaurus/antonyms>