Childish, crude, babyish, and callow are all synonyms for immature. Ripe and mature are these antonyms of immature. And here are another 29 synonyms for immature.
Immature Synonyms
1. undeveloped
- Crude
- Imperfect
- Incomplete
- Not mature
- Not matured
- Not ripe
- Raw
- Undeveloped
- Unfinished
- Unformed
- Unmellowed
- Unripe
- Green
2. juvenile
- Babyish
- Callow
- Childish
- Green
- Inexperienced
- Infantile
- Ingenuous
- Jejune
- Juvenile
- Naive
- Puerile
- Unsophisticated
- Unworldly
- Wet behind the ears
- Born yesterday