mammoths Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. unusually large;noun. any of numerous extinct elephants with hairy coats and long up curved tusks Example Sentence Mammoths and modern elephants may have developed from earlier mastodons. Synonyms huge; gigantic; large Antonyms small; little Hear It! Say It! Write It! mammoths Switch to cursive Start Share with your friends: