34 entries under adjective topic. ×

16
mature
7
adult
6
full-grown
5
grown
5
ready(dull, stupid, intelligent, skillful)
4
developed(verb, old)
4
mellow(strong, rough, mature, ripe)
4
ripe(experienced, developed)
3
old
3
big
3
experienced(verb, old)
3
fledged
3
nubile
2
full-blown
2
marriageable
2
prime
2
responsible(mature, trustworthy)
1
bigger
1
complete
1
full-fledged
<12>
10 years ago|1.8k views|share |citing 
APASmart Define. (2016). immature thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/immature/thesaurus/antonyms
ChicagoSmart Define. 2016. "immature thesaurus" https://smartdefine.org/immature/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, immature thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/immature/thesaurus/antonyms>.
MLASmart Define. "immature thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/immature/thesaurus/antonyms>