non-smoking UK US /ˌnɒnˈsməʊkɪŋ/ adjective
► (also no-smoking) WORKPLACE used to describe a place where people are not allowed to smoke: non-smoking area/section »
It's physically impossible to prevent cigarette smoke from drifting from the smoking area over to the non-smoking areas.
»All our offices have been non-smoking for several years now.
► used to describe a person who does not smoke: »
Non-smoking colleagues often resent the fact that smokers are allowed to take time for a cigarette break outside.
Financial and business terms. 2012.