Unripe
This page is the CodyCross answer for the clue below from Small World, Group 698, Puzzle 5 (Gerbils and Hamsters).
Question is: Unripe
and the answer is: IMMATURE
Word Meaning:
IMMATURE — (now rare) Occurring before the proper time; untimely, premature (especially of death).
Definitions from Wiktionary.