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Definitions

anonymous

[uh-non-uh-muhs] / əˈnɒn ə məs /
ADJECTIVE
unknown, usually by choice
Synonyms
STRONGEST
nameless undisclosed unidentified unnamed unsigned
WEAK
Jane/John Doe X bearding incognito innominate pseudo pseudonymous secret such and such unacknowledged unattested unavowed unclaimed uncredited undesignated unspecified what's his/her name whatchamacallit whatsis you know who
Antonyms
STRONGEST
known named
WEAK
identified

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Not long after, Brundage was chatting online with an anonymous cybersecurity researcher who then introduced him to Chris Formosa, an engineer at the networking company Lumen.

From The Wall Street Journal • Apr. 3, 2026

In September, the college senior started messaging online with an anonymous user who seemed to have insider knowledge.

From The Wall Street Journal • Apr. 3, 2026

A musician and teacher who asked to remain anonymous spoke of struggling to put his brain "on pause", instead spending evenings experimenting with AI.

From Barron's • Mar. 30, 2026

Murray said: "I can confirm Councillor Dean has had the whip suspended because of unacceptable comments made on an anonymous account which was not disclosed during vetting."

From BBC • Mar. 27, 2026

“Because why not? Were totally anonymous right now.”

From "Leah on the Offbeat" by Becky Albertalli

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.