To kill someone by covering their nose and mouth so that they suffocate. The villain attempted to smother the hero with a pillow.
To extinguish a fire by covering it to cut off the supply of air. She quickly smothered the flames with a blanket.
To cover something completely so that it is not visible or can’t grow. The garden was smothered in weeds after weeks of neglect.
To overwhelm or suffocate someone with an excess of something, such as affection or attention. He felt smothered by his parents' constant attention.
To cook (food) slowly in a covered pan with little liquid, often with onions or gravy. She likes to smother the pork chops with onions for Sunday dinner.
To suppress or restrain (a sound, feeling, or reaction) by effort. She smothered a giggle as the teacher glanced her way.