from
The Collaborative International Dictionary of English v.0.48
Deprave \De*prave"\ (d[-e]*pr[=a]v"), v. t. [imp. & p. p.
{Depraved} (d[-e]*pr[=a]vd"); p. pr. & vb. n. {Depraving}.]
[L. depravare, depravatum; de- + pravus crooked, distorted,
perverse, wicked.]
1. To speak ill of; to depreciate; to malign; to revile.
[Obs.]
[1913 Webster]
And thou knowest, conscience, I came not to chide
Nor deprave thy person with a proud heart. --Piers
Plowman.
[1913 Webster]
2. To make bad or worse; to vitiate; to corrupt.
[1913 Webster]
Whose pride depraves each other better part.
--Spenser.
Syn: To corrupt; vitiate; contaminate; pollute.
[1913 Webster]