A smoke detector.

The state or quality of being smelly.

A person employed to do smelting. / A machine used to smelt metal. / A place where smelting is done.

Dirt, or a stain. / (figuratively) A stain on somebody's reputation.

(transitive) To dirty; to make dirty. / (transitive, figuratively) To harm the reputation of; to smear or slander.

A chirp of radiation power from an astronomical body that has a smeared appearance on its plot in the time-frequency plane (usually associated with massive bodies orbiting supermassive black holes)

plural of smoke alarm

(of a firearm) Having a small caliber. / (by extension) insignificant or trivial.

(military, historical) Alternative form of smart money

Alternative form of smidgen