- 1[uncountable] the gray, white, or black gas that is produced by something burning cigarette smoke Clouds of thick black smoke billowed from the car's exhaust.
- 2[countable, usually singular] (informal) an act of smoking a cigarette Are you coming outside for a smoke?
- 1to be completely burned The whole house went up in smoke.
- 2if your plans, hopes, etc. go up in smoke, they fail completely Hopes of an early end to the dispute have gone up in smoke.
a decision that people describe as being made in a smoke-filled room is made by a small group of people at a private meeting, rather than in an open and democratic way
if something bad is being said about someone or something, it usually has some truth in it
Check pronunciation: smoke