snuff out

(verb) put an end to; kill. Synonyms: snuff out, extinguish. Example: "The nazis snuffed out the life of many jewish children."

(verb) put out, as of fires, flames, or lights. Synonyms: snuff out, blow out, extinguish, quench. Examples: "Too big to be extinguished at once, the forest fires at best could be contained." "Quench the flames." "Snuff out the candles."