juveniles Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. young people who are not yet adults. Example Sentence The juveniles played in the park. More Example Sentences Juveniles need guidance from adults. Synonyms youths; minors; youngsters Antonyms adults; seniors; elders Hear It! Say It! Write It! juveniles Switch to cursive Start Share with your friends: