smart casual
noun /ˌsmɑːt ˈkæʒuəl/
/ˌsmɑːrt ˈkæʒuəl/
[uncountable]- a style of dressing in which people wear clothes that are neat but not formal
- The hotel has a dress code of smart casual, and shorts and slippers are not permitted.
- The guests were comfortably dressed in smart casual attire.