Hypertext Webster Gateway: "defamer"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Defamer \De*fam"er\, n.
One who defames; a slanderer; a detractor; a calumniator.
From WordNet (r) 1.7 (wn)
defamer
n : one who attacks the reputation of another by slander or
libel [syn: {maligner}, {slanderer}, {vilifier}, {libeler},
{backbiter}, {traducer}]
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