Answer: immature

AnswerCrossword Clue
IMMATUREChildish
IMMATUREGreen
IMMATUREUndeveloped.
IMMATURECallow
IMMATUREAdolescent's misconception?
IMMATUREGREEN
IMMATUREGoofy-acting
IMMATUREUnripened
immaturesomething that is not fully grown
immatureNot fully developed
immatureHaving or showing emotional or intellectual development appropriate to someone younger