His puerile jokes annoyed everyone at the serious business meeting yesterday.
Synonyms for puerile
childish
infantile
juvenile
Antonyms for puerile
mature
adult
sophisticated
Practice puerile on real SAT questions
Vocabulary like puerile appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.