Search Result for "maligner": 
Wordnet 3.0

NOUN (1)

1. one who attacks the reputation of another by slander or libel;
[syn: defamer, maligner, slanderer, vilifier, libeler, backbiter, traducer]


The Collaborative International Dictionary of English v.0.48:

maligner \ma*lign"er\, n. One who maligns. [1913 Webster]
WordNet (r) 3.0 (2006):

maligner n 1: one who attacks the reputation of another by slander or libel [syn: defamer, maligner, slanderer, vilifier, libeler, backbiter, traducer]