Sentence examples for walk-in from inspiring English sources

The word 'walk-in' is correct and usable in written English.
It is often used as an adjective or noun to describe a person or thing that walks into a place or situation without being invited or scheduled. It can also refer to a large, closet-like room used for storage or as a dressing area. Example: She had a walk-in closet that was bigger than most people's bedrooms. Another example: The company's open house was designed to attract walk-in customers.