1. a full-size model of something, built for study, testing, or display
2. a preliminary design or layout showing how something will look
Usage: design; publishing

Examples

• The architect created a detailed mockup of the new building.
• Engineers tested the car’s safety features using a crash test mockup.
• The designer showed us a mockup of the website’s homepage.
• They built a full-scale mockup of the airplane cockpit for training.
• The magazine editor reviewed the mockup before sending it to print.
• The mockup helped investors visualize the final product.