from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having an unknown or unacknowledged name: an anonymous author.
- adj. Having an unknown or withheld authorship or agency: an anonymous letter; an anonymous phone call.
- adj. Having no distinctive character or recognition factor: "a very great, almost anonymous center of people who just want peace” ( Alan Paton).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking a name; not named and determined, as an animal not assigned to any species.
- adj. Without any name acknowledged of a person responsible, as that of author, contributor, or the like.
- adj. Of unknown name; whose name is withheld
- adj. Lacking individuality.
from the GNU version of the Collaborative International Dictionary of English
- adj. Nameless; of unknown name; also, of unknown or unavowed authorship
from The Century Dictionary and Cyclopedia
- Wanting a name; not named and determined, as an animal not assigned to any species.
- Without any name acknowledged, as that of author, contributor, or the like: as, an anonymous pamphlet; an anonymous subscription.
- Of unknown name; whose name is withheld: as, an anonymous author.
- Often abbreviated to anon.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. having no known name or identity or known source
- adj. not known or lacking marked individuality
From Late Latin anōnymus, from Greek anōnumos, nameless : an-, without; see a-1 + onuma, name (influenced by earlier nōnumnos, nameless); see nŏ̄-men- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowed into English around 1600 from Late Latin anonymus, from Ancient Greek ἀνώνυμος (anōnumos, "without name"), from ἀν- (an, "without") + ὄνυμα (onuma), Aeolic dialectal form of ὄνομα (onoma, "name"). (Wiktionary)