1
prim
1
proper
1
prudish
1
puritanical
1
raw
1
repaid
1
retrogress(verb, stop)
1
seemly
1
settled
1
straitlaced
1
undue
1
unprepared(adjective, immature)
1
unready(adjective, immature)
0
dependent(adjective, weak, helpless)
0
unfinished
0
victorian
0
all heart(expression, strong, loud)
0
bleeding-heart(strong, loud)
0
bleeding heart(expression, strong, loud)
0
brutish(calm, careful, apathetic, compassionate, chaste)
11 years ago|3.9k views|share |citing 
APASmart Define. (2015). mature thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mature/thesaurus/antonyms
ChicagoSmart Define. 2015. "mature thesaurus" https://smartdefine.org/mature/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mature thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mature/thesaurus/antonyms>.
MLASmart Define. "mature thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/mature/thesaurus/antonyms>