vil·i·fy 
(vĭlə-fī′)
(vĭlə-fī′)tr.v. vil·i·fied, vil·i·fy·ing, vil·i·fies
To attack the reputation of (a person or thing) with strong or abusive criticism. See Synonyms at malign.
[Middle English vilifien, from Late Latin vīlificāre, to hold cheap : Latin vīlis, cheap; see wes-3 in the Appendix of Indo-European roots + Latin -ficāre, -fy.]
vil′i·fi·cation (-fĭ-kāshən) n.
vili·fi′er n.