Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “puerile”

puerile

adjective     /ˈpjʊə.raɪl/ US  /ˈpjʊr.ɪl/ disapproving
behaving in a silly way, not like an adult: I find his sense of humour rather puerile.Physically and mentally mature and immatureStupid and sillyOf unsound mind puerility     /pjʊəˈrɪl.ɪ.ti/ US  /pjʊrˈɪl.ə.t̬i/ noun [U]
(Definition of puerile adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of puerile

Definitions of “puerile” in other dictionaries

Word of the Day

generous

willing to give money, help, kindness, etc., especially more than is usual or expected

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More