Denigrate
Pronunciation : Den"i*grate
Part of Speech : v.
Etymology : [L. denigrare; de- + nigrare to blacken, niger black.]
Definition : 1. To blacken thoroughly; to make very black. Boyle.
2. Fig.: To blacken or sully; to defame. [R.] To denigrate the memory of Voltaire. Morley.
t.
Source : Webster's Unabridged Dictionary, 1913