a person whose job is to visit or telephone a store or other business pretending to be a customer, in order to get information on the quality of the service, the facilities, etc. The best way to find out how your company is running is by using a mystery shopper. Stores and restaurants that have many or even thousands of different locations rely on mystery shoppers all over the country to check every store. Below is a list of companies that hire mystery shoppers to privately investigate their businesses whether it's a retail outlet, restaurant, fast food chain, clothing store or a new movie.
noun [uncountable] Today, mystery shopping is primarily used by businesses to measure their customer service.See mystery shopper in the Oxford Advanced Learner's Dictionary
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