denigrator


den·i·grate

D0131700 (dĕn′ĭ-grāt′)tr.v. den·i·grat·ed, den·i·grat·ing, den·i·grates 1. To attack the character or reputation of; speak ill of; defame: "Speakers before the United States Chamber of Commerce rarely denigrate the businessman as an economic force" (John Kenneth Galbraith).2. To disparage; belittle: The movie critics denigrated the director's latest film. See Synonyms at disparage.
[Latin dēnigrāre, dēnigrāt-, to blacken, defame : dē-, de- + niger, nigr-, black; see nekw-t- in Indo-European roots.]
den′i·gra′tion n.den′i·gra′tor n.