puerile

• I believe that many of the best men of the nation consider that a great deal of time is lost on subjects which they esteem as puerile, and that much of that time might be employed on noble and useful science. —  Autobiography of Sir George Biddell Airy
• Mr McBride's jottings may be exceptionally puerile, as well as poisonous, but they are, depressingly, par for the course. —  Telegraph.co.uk: news business sport the Daily Telegraph newspaper Sunday Telegraph
• This bold comparison seemed shocking, puerile, and false, for a secretion is a material thing while thought is not. —  The Mind and the Brain Being the Authorised Translation of L'Âme et le Corps
• It was a puerile, crazy deed, but no one smiled, not even the little children who heard of it next day, on the way home from school, and went trudging up there to see. —  Tiverton Tales
• What do we care for the puerile dispraise of the press? —  The Tyranny of the Dark

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Used in the Same Context