the charred or partly consumed portion of a candlewick.

a thing of little or no value, esp. if left over.

to cut off or remove the snuff of (candles, tapers, etc.). ?

snuff out,

to extinguish

to snuff out a candle.

to suppress; crush

to snuff out opposition.

Informal . to kill or murder

Many lives were snuffed out during the epidemic.

verb

blow away , bump off , chill , dispatch , dispose of , do away with , do in , dust , grease , hit , ice , knock off , murder , off , rub out , stretch out , waste , wax , whack , zap , snuff