Read the dictionary definition of destroy. All definitions for this word.
1. defeat soundly and humiliatingly
1. The home team demolished the visitors
2. put (an animal) to death
1. The customs agents destroyed the dog that was found to be rabid
2. the sick cat had to be put down
3. destroy completely; damage irreparably
1. You have ruined my car by pouring sugar in the tank!
2. The tears ruined her make-up
4. do away with, cause the destruction or undoing of
1. The fire destroyed the house