the world Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 the universe; everything that exists; 2.the earth and all those who live on it. 3 the whole human race; all people. 4 a great amount. Example Sentence I know the world is big. Synonyms universe; earth; globe; planet Antonyms one town Hear It! Say It! Write It! the world Switch to cursive Start Share with your friends: