(also ˌno-ˈsmoking ) adjective [ usually before noun ]
1.
( of a place ) where people are not allowed to smoke :
a non-smoking area in a restaurant
2.
( of a person ) who does not smoke :
She's a non-smoking, non-drinking fitness fanatic.
► ˌnon-ˈsmoking (also ˌno-ˈsmoking ) noun [ U ]:
Non-smoking is now the norm in most workplaces.