puffling Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a young puffin bird that is not yet mature. Example Sentence The head of the puffling was still covered with fluffy down. More Example Sentences It is cute to see a puffling nearby. Synonyms chick; fledgling; juvenile Antonyms mature puffin Hear It! Say It! Write It! puffling Switch to cursive Start Share with your friends: