English version

puerile

From Longman Dictionary of Contemporary Englishpuerilepuer‧ile /ˈpjʊəraɪl $ ˈpjʊrəl/ adjective formal  STUPID/NOT SENSIBLEsilly and stupid syn childish a puerile jokepuerility /pjʊˈrɪləti/ noun [uncountable]
Examples from the Corpus
puerilepuerile jokesIt is true that one can scan a whole evening's programmes and find only puerile junk on every channel.An apparently astonishing claim, and a puerile one too, but true none the less.What a puerile thing to say!I have devoted myself to knowledge, while you prefer puerile things like prose, rhythm and metre.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.