Immature, Behaving Like a Youngster
This page is the CodyCross answer for the clue below from Tracking Time, Group 1049, Puzzle 4 (Candle Clock).
Question is: Immature, Behaving Like a Youngster
and the answer is: CHILDISH
Word Meaning:
CHILDISH — Immature in thought or behaviour.
Definitions from Wiktionary.