Of something burning or smouldering: producing or giving off smoke. Now rare.

Emitting smoke in considerable volume.

Emitting or giving out smoke. Also figurative, spec. as smoking gun, smoking pistol (U.S.), a piece of incontrovertible incriminating evidence.

Emitting smoke or vapour. Of a chimney: Smoky. Of waves: = fuming, adj. 1b.

Smoky; giving out smoke. Obsolete.

†(a) Smoky; that produces smoke; filled with, blackened by, or smelling of smoke (obsolete). (b) More generally: smelly.

Giving out much smoke; smoky.