Words similar to childish

Example sentences for: childish

How can you use “childish” in a sentence? Here are some example sentences to help you improve your vocabulary:

I know what I'm talking about tho I may get drunk and act childish socially ...
Most replies envisioned a community of corrupt, childish, lubricious egomaniacs--much like Lord of the Flies , but with overt sex and more guys who look like Piggy.
The jokes in Phantom Menace are broad and childish in a way that may displease sophisticates but will be endearing to everyone else."
The threesome of Harry, Ron Weasely, and Hermione Granger (who is likely to be everybody's favorite character) are believably mischievous, competitive, vain, and, for all their intelligence, prone to childish foolishness (e.g. the clever, studious Hermione's stubborn crush on the egotistical charlatan Professor Lockhart in Chamber of Secrets ).
Then, to my horror, without waiting for another childish question, I pointed to a crawling caterpillar and said glibly, “Look.