smokingPronunciation: /ˈsməʊkɪŋ/Translate smoking | into French | into German | into Italian | into Spanish Definition of smoking noun [mass noun] the action or habit of inhaling and exhaling the smoke of tobacco or a drug:the effect of smoking on health adjective 1emitting smoke or visible vapour:they huddled round his smoking fire in the winter damp 2 (often smokin') informal lively and exciting:Wow! This band is really smokin'!smoking in other Oxford dictionaries Definition of smoking in the US English dictionary