Smoke is produced when something burns. Smoke comes from fire or from something that is so hot that it begins to ignite. Smoke has a strong smell, and depending on what is burning, it can be very visible.
There’s smoke coming from that campfire.
I smell smoke. Do you smell smoke?
Where’s that smoke coming from?
There’s a bunch of smoke coming from the chimney.
Where there’s smoke, there’s fire.
After you go camping, your clothes usually smell like smoke.
There’s smoke coming from that fire!
This word is often used as a verb:
She’s smoking a cigarette.
It’s not healthy to smoke.
Smoking is bad for your health. (In this sentence, "smoking" is a gerund.)
It’s hard to quit smoking.
The campfire is still smoking. (The fire isn’t out yet.)
We smoked some fish after we caught them. (Smoking is a means for preserving food.)
Would you like some smoked salmon? (In this question, "smoked" is an adjective.)
The word "smokey" is an adjective:
Why is it so smokey in here?
The kitchen became smokey because my wife was making dinner. (She always burns the food!)