kiddos Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a friendly term for children. Example Sentence The teacher asked the kiddos to line up for recess. More Example Sentences The kiddos played happily in the park. Synonyms kids; children; youngsters Antonyms adults; grown-ups; elders Hear It! Say It! Write It! kiddos Switch to cursive Start Share with your friends: