• synonyms


[uh-non-uh-muh s]
See more synonyms for anonymous on Thesaurus.com
  1. without any name acknowledged, as that of author, contributor, or the like: an anonymous letter to the editor; an anonymous donation.
  2. of unknown name; whose name is withheld: an anonymous author.
  3. lacking individuality, unique character, or distinction: an endless row of drab, anonymous houses.
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Origin of anonymous

1595–1605; < Latin anōnymus < Greek anṓnymos, equivalent to an- an-1 + -ōnym(a) (variant of ónyma) -onym (earlier (a)n- with vowel lengthening; cf. anopheles) + -os adj. suffix; see -ous
Related formsa·non·y·mous·ness, nouna·non·y·mous·ly, adverbnon·a·non·y·mous·ness, noun
Can be confusedanomalous anonymous euonymus unanimousanonymous pseudonymous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for anonymous

unidentified, unnamed, undisclosed, nameless, unsigned, incognito, pseudo, pseudonymous, secret, unspecified, X, innominate, unacknowledged, unattested, unavowed, unclaimed, uncredited, undesignated, whatchamacallit

Examples from the Web for anonymous

Contemporary Examples of anonymous

Historical Examples of anonymous

  • Except Virgil and this anonymous rhymer, I can recall no verse about cheese.

    Alarms and Discursions

    G. K. Chesterton

  • I received an anonymous letter, in a hand-writing I did not recognize.

    Wilfrid Cumbermede

    George MacDonald

  • More than probably Lyttleton had been the other anonymous informant.


    Louis Joseph Vance

  • The two had something written on them--anonymous information, so to speak.


    Louis Joseph Vance

  • It is not certain now that the anonymous beginning had been a good thing.

British Dictionary definitions for anonymous


  1. from or by a person, author, etc, whose name is unknown or withheldan anonymous letter
  2. having no known name
  3. lacking individual characteristics; unexceptional
  4. (often capital) denoting an organization which provides help to applicants who remain anonymousAlcoholics Anonymous
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Derived Formsanonymity (ˌænəˈnɪmɪtɪ), nounanonymously, adverbanonymousness, noun

Word Origin for anonymous

C17: via Late Latin from Greek anōnumos, from an- + onoma name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for anonymous


c.1600, from Late Latin anonymus, from Greek anonymos "without a name," from an- "without" (see an- (1)) + onyma, Æolic dialectal form of onoma "name" (see name (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper