superstoresu·per·store /ˈsuːpəˌstɔː-pərˌstɔːr/ noun [countableC]COMMERCE a large shop, often found on the outer part of a town, that sells a very large variety of a particular product such as furniture, computers etcThe proposals include plans to sell the cheaper models through low-cost superstores.
The office equipment superstore has closed outlets in four states.