1snuff 
/ˈsnʌf/ verb
snuffs; snuffed; snuff·ing /ˈsnʌf/ verb [+ obj] 1 : to cause (something, such as a candle or cigarette) to stop burning by pressing it with your fingers, covering it, etc.
▪ She snuffed the candles after everyone had left the table. — often + out ▪ She snuffed out her cigarette. 2 informal a : to cause the end of (something)
▪ The home run ended the game and snuffed their chances to win a championship. ▪ Their hopes were snuffed. — often + out ▪ Their chances of winning were snuffed out. ▪ Her life was snuffed out by cancer.
b : to kill (someone)
▪ a gangster who was/got snuffed by a rival — often + out ▪ They threatened to snuff him out.
▪ She snuffed the candles after everyone had left the table. — often + out ▪ She snuffed out her cigarette.
▪ The home run ended the game and snuffed their chances to win a championship. ▪ Their hopes were snuffed. — often + out ▪ Their chances of winning were snuffed out. ▪ Her life was snuffed out by cancer.
b : to kill (someone)
▪ a gangster who was/got snuffed by a rival — often + out ▪ They threatened to snuff him out.
snuff it
Brit, informal : to die
▪ He snuffed it at a young age.
▪ He snuffed it at a young age.
