destroy

do away with, cause the destruction or undoing of; "The fire destroyed the house"

destroy completely; damage irreparably; "You have ruined my car by pouring sugar in the tank!"; "The tears ruined her make-up"

defeat soundly; "The home team demolished the visitors"

put (an animal) to death; "The customs agents destroyed the dog that was found to be rabid"; "the sick cat had to be put down"