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:

The person perennially under the weather or perhaps just lazy might be Fiacco (feeble) or Stanchi (stanco tired), while mental impairment earned the name Imbrogno (imbrogliare to confuse), Moscaincervello ( mosca fly, in in, cervello brain), or Infante, Fantazzi , or Fanciullo (infante infant or someone of childish intellect).
He actually thought Andres Serrano's "Piss Christ," another act of scatological desecration, was pretty to look at (though he thought the idea it conveyed a bit childish).
I grant teenagers their last fling of childish freedom before adulthood begins to descend.
A posthumous profile of Dodi Fayed says he was childish, profligate, unreliable, paranoid, and drug-using.