smother /ˈsmʌðər/ verb [T]
KILL › to kill someone by covering their face with something so that they cannot breathe
LOVE › to give someone too much love and attention so that they feel they have lost their freedom: I try not to smother him.
PREVENT › to prevent something from happening: I tried to smother my cough.
FIRE › to make a fire stop burning by covering it with something