Deprave
Deprave (de*prāv") , transitive verb
[Latin depravare, depravatum; de- + pravus crooked, distorted, perverse, wicked.]
1.
To speak ill of; to depreciate; to malign; to revile. [Obsolete]
And thou knowest, conscience, I came not to chide
Nor deprave thy person with a proud heart.
2.
To make bad or worse; to vitiate; to corrupt.
Whose pride depraves each other better part.