Found 2 items, similar to backbiter.
English → English (WordNet) Definition: backbiter backbiter n : one who attacks the reputation of another by slander or libel [syn: defamer, maligner, slanderer, vilifier, libeler, traducer]
English → English (gcide) Definition: Backbiter Backbiter \Back"bit`er\, n. One who backbites; a secret calumniator or detractor. [1913 Webster]