Smokeless \Smoke"less\, a. Making or having no smoke. "Smokeless towers." --Pope. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

smokeless adj : emitting or containing little or no smoke; "smokeless factory stacks"; "smokeless fuel"; "a smokeless environment" [ant: smoky]

Source: WordNet (r) 2.0
 

Smokeless \Smoke"less\, a. Making or having no smoke. ``Smokeless towers.'' --Pope.

Source: Webster's Revised Unabridged Dictionary (1913)