WordWeb Online

1. Do away with, cause the destruction or undoing of
   "The fire destroyed the house";
   - destruct, spifflicate [Brit, informal], spiflicate [Brit, informal], uncreate [literary]
    
2. Damage beyond use or repair
   "You have destroyed my car by pouring sugar in the tank!";
   - ruin
    
3. Defeat soundly and humiliatingly
   "The home team destroyed the visitors";
   - demolish, spiflicate [Brit, informal], spifflicate [Brit, informal]
    
4. Put (an animal) to death
   "The customs agents destroyed the dog that was found to be rabid";
   - put down

Derived forms: destroyed, destroys, destroying

Type of: defeat, get the better of, kill, overcome, undo, unmake

Encyclopedia: Destroy, She Said