levels Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. having a flat or even surface;verb. tear down so as to make flat Example Sentence His statement that carbon dioxide levels increased was incontrovertible. Synonyms flat; even; demolish Antonyms uneven; build Hear It! Say It! Write It! levels Switch to cursive Start Share with your friends: