jack-rabbit Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a type of large hare with long ears and legs. Example Sentence The jack-rabbit quickly darted across the desert landscape. More Example Sentences A jack-rabbit can run very fast. Synonyms hare; bunny; leveret Antonyms tortoise; snail Hear It! Say It! Write It! jack-rabbit Switch to cursive Start Share with your friends: