PUERILE

Part of Speech: adjective Definition: childish; juvenile Synonyms: immature; infantile Antonym: mature
 * PUERILE**

Even though many children would have had a **puerile** response, screaming and crying, the girls immediately offered to help search for the drowned boy and later comforted the brother of the dead boy.

The man's **puerile** behavior lost him the respect of his coworkers and boss.

Brittany N.