Infantile, Immature, Childlike
This page is the CodyCross answer for the clue below from Fruits and Vegetables, Group 1907, Puzzle 1 (Oyster Mushroom).
Question is: Infantile, Immature, Childlike
and the answer is: BABYISH
Word Meaning:
BABYISH — Like or suitable for a baby or a young child; childish
Definitions from Wiktionary.