blueprints Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a photographic reproduction in white on a blue background; as of architectural or engineering plans any exact or detailed plan or outline Example Sentence The architect showed her client the blueprints for the house. Synonyms draft; draught; design; plan Antonyms actual structure Hear It! Say It! Write It! blueprints Switch to cursive Start Share with your friends: