The definition of anonymous is of unknown name or origin.(adjective)
An author who does not put his name on his books is an example of someone who is anonymous.
See anonymous in Webster's New World College Dictionary
Origin: LL anonymus < Gr anōnymos < an-, without + onyma, name
See anonymous in American Heritage Dictionary 4
Origin: From Late Latin anōnymus
Origin: , from Greek anōnumos, nameless
Origin: : an-, without; see a-1
Origin: + onuma, name (influenced by earlier nōnumnos, nameless); see nō̆-men- in Indo-European roots.
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