puerile

His puerile behavior was getting on everyone's nerves.

Stop making puerile jokes and act like an adult.

Her puerile attitude towards work is holding her back.

I can't stand his puerile sense of humor.

The movie's puerile plot failed to impress the audience.

He needs to stop his puerile pranks and take things seriously.

The puerile comments on social media were quickly dismissed.

Her puerile behavior at the meeting embarrassed her colleagues.

The puerile arguments between the siblings were tiresome.

He needs to grow up and leave behind his puerile ways.

'Do you call the search for gold puerile'?

Betton felt a rush of puerile joy at the suggestion.

Don't be puerile. We have work to do.

This attempt to divert the conversation was too puerile, and Mrs. Honeychurch resented it.

The Primum Ens Melissae at least offers a less puerile benefit than most magical secrets'.

A puerile tear dimmed my eye while I looked—a tear of disappointment and impatience; ashamed of it, I wiped it away.

He seemed to be directing his attention to all sorts of silly, puerile points that had nothing to do with the case.

I suspected I became slightly ridiculous around him – my laugh goofy, my jokes silly and puerile, my passion fierce and surprising even to myself.

That mind which I esteemed so great and valiant, proves to be feeble, puerile, and grovelling, a slave to vulgar errors, and weaker than a Woman's'.

I knew this question was coming, and felt it was important to intimate that my interest was less puerile than that of the tabloid reporters who had doorstepped him over the years.