anonymous

adjective

anon·​y·​mous ə-ˈnä-nə-məs 

1

: of unknown authorship or origin

an anonymous tip

2

: not named or identified

an anonymous author

They wish to remain anonymous.

3

: lacking individuality, distinction, or recognizability

the anonymous faces in the crowd

… the gray anonymous streets …

—William Styron

anonymousness noun

Synonyms

• one
• unnamed

Examples of anonymous in a Sentence

The donor wishes to remain anonymous.

An anonymous buyer purchased the painting.

The college received an anonymous gift.

He made an anonymous phone call to the police.

The reporter got an anonymous tip.

His was just another anonymous face in the crowd.

Recent Examples on the Web

Tipsters who send information through these three methods remain anonymous. —Samara Gerstle, Fort Worth Star-Telegram, 31 July 2025

One of Real Madrid’s Brazilian stars has decided to leave the club but is currently short on concrete offers to do so according to SPORT, which cited anonymous sources. —Tom Sanderson, Forbes.com, 28 July 2025

The controversy started a couple of months ago with the anonymous tip that Smith wasn’t coming to work at police headquarters where she was assigned. —Graham Rayman, New York Daily News, 26 July 2025

But the obvious calculation behind this move illustrated the desperation of so many anonymous black showbiz performers (such as those who were paid to promote the Kamala Harris campaign) who eagerly demonstrate an unshakeable loyalty to the post-FDR legacy of Democratic Party devotion. —Armond White, National Review, 25 July 2025

Word History

Etymology

Late Latin anōnymos, anōnymus "lacking a name" (borrowed from Greek anṓnymos "lacking a name, unnamed, not well-known or remembered," from an- an- + -ōnymos, derivative in adjectival compounds of ónoma, Doric and Aeolic dialects ónyma "name") + -ous — more at name entry 1

First Known Use

1625, in the meaning defined at sense 1

Rhymes for anonymous

• autonomous
• economise
• eponymous
• synonymous

Kids Definition

anonymous

adjective

anon·​y·​mous ə-ˈnän-ə-məs 

1

: not named or identified

the donor remained anonymous

2

: made or done by someone unknown

anonymous gifts

an anonymous poem

anonymously adverb

anonymousness noun

Etymology

from Latin anonymus "anonymous," from Greek anonymos (same meaning), from an-, a- "not, without" and onyma, onoma "name" — related to synonymous