large-scale Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition adjective. 1 unusually large in scope; 2 constructed or drawn to a big scale Example Sentence They need a large-scale advertising plan to introduce their new product. Synonyms large; big; unusually large Antonyms small; little Hear It! Say It! Write It! large-scale Switch to cursive Start Share with your friends: