smoke ‧ less /ˈsməʊkləs $ ˈsmoʊk-/ BrE AmE adjective
[ Word Family: noun : ↑ smoke , ↑ smoker ≠ ↑ non-smoker , ↑ smoking , ↑ smokiness ; adjective : ↑ smoked , smoking ≠ ↑ non-smoking , ↑ smoky , ↑ smokeless ; verb : ↑ smoke ]
1 . smokeless coal/fuel ↑ fuel that burns without producing smoke
2 . smokeless tobacco tobacco that you chew rather than smoke