destroy

(dĭ-stroiˈ)

1. To ruin completely; spoil: The ancient manuscripts were destroyed by fire.
2. To tear down or break up; demolish. See Synonyms at ruin.
3. To do away with; put an end to: “In crowded populations, poverty destroys the possibility of cleanliness” (George Bernard Shaw).
4. To kill: destroy a rabid dog.
5. To subdue or defeat completely; crush: The rebel forces were destroyed in battle.
6. To render useless or ineffective: destroyed the testimony of the prosecution's chief witness.