waterfalls Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. places where water flows over a cliff or steep rock. Example Sentence We took pictures by the waterfalls. More Example Sentences Many visitors enjoyed the view of waterfalls. Synonyms cascades; falls; torrents Antonyms desert Hear It! Say It! Write It! waterfalls Switch to cursive Start Share with your friends: