Emily Dickinson Lexicon

DE-PRAVE', v.t. [L. depravo; de and pravus, crooked, perverse, wicked.]

1. To make bad or worse; to impair good qualities; to make bad qualities worse; to vitiate; to corrupt; as, to deprave manners, morals, government, laws; to deprave the heart, mind, will, understanding, taste, principles, &c.
2. To defame; to vilify. [Not now used.] – Shak. Spenser.