The definition of an anathema is a person or thing who is detested or hated.(noun)
Adolf Hitler is an example of an anathema.
See anathema in Webster's New World College Dictionary
noun pl. anathemas
Origin: LL(Ec) < Gr, thing devoted to evil; previously, anything devoted < anatithenai, to dedicate < ana-, up + tithenai, to place: see do
See anathema in American Heritage Dictionary 4
noun pl. a·nath·e·mas
Origin: Late Latin anathema, doomed offering, accursed thing
Origin: , from Greek
Origin: , from anatithenai, anathe-, to dedicate
Origin: : ana-, ana-
Origin: + tithenai, to put; see dhē- in Indo-European roots.
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