non-smoking

US /ˌnɑːnˈsmoʊkɪŋ/

UK /ˌnɑːnˈsmoʊkɪŋ/

1.

where smoking is not allowed

:

•

We requested a non-smoking room.

•

This is a non-smoking area.

:

smoking

:

smoking smoke smoked smoke detector smoke alarm smoke signal smoking jacket