Corrupting

verb

1. To make corrupt; to change from good to bad; to draw away from the right path; to deprave; to pervert.
2. To become putrid, tainted, or otherwise impure; to putrefy; to rot.
3. To debase or make impure by alterations or additions; to falsify.

   "to corrupt a book"

4. To waste, spoil, or consume; to make worthless.