Juvenile, Not Fully Developed
This page is the CodyCross answer for the clue below from Greece, Group 677, Puzzle 3 (Emmanouil Benakis).
Question is: Juvenile, Not Fully Developed
and the answer is: IMMATURE
Word Meaning:
IMMATURE — (now rare) Occurring before the proper time; untimely, premature (especially of death).
Definitions from Wiktionary.