noncustomer
/nɑnˈkʌstəmər/
noun
- A person who is not a customer of a particular business or service.
- Our survey focused on both customers and noncustomers to understand why people choose competitors.
- The security guard asked the noncustomer to leave the lobby since the shop was for paying visitors only.
- The store's new policy offers discounts to regular shoppers but ignores the noncustomer.
Antonyms