熄灭

extinguish/put out/snub out a cigarette

blow out a candle; extinguish/snuff out a candle

knock down the flame

put out the light; quench a lamp

The spark of hope was extinguished.

The lights blacked out completely and the offstage music began again.

The big fire finally burned itself out.

The fire went out/was quenched.

The sudden extinction of lights left the room in complete darkness.

The lights went out.

smoulder out