Smother

verb

1. To suffocate; stifle; obstruct, more or less completely, the respiration of something or someone.
2. To extinguish or deaden, as fire, by covering, overlaying, or otherwise excluding the air.

   "to smother a fire with ashes"

3. To reduce to a low degree of vigor or activity; suppress or do away with; extinguish

   "The committee's report was smothered."

4. In cookery: to cook in a close dish.

   "beefsteak smothered with onions"

5. To daub or smear.