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

According to an anonymous eyewitness, several first responders arrived on the scene of the attack, which marks the fourth shark encounter in Florida's Volusia County so far this year, according to the county website. —Bailey Richards, People.com, 19 July 2025

Anyone with information related to the investigation is asked to contact the West Hartford Police Department at 860-523-5203 or use the anonymous West Hartford Police Department Tip Line at 860-570-8969 or email at [e-mail]. —Staff Report, Hartford Courant, 19 July 2025

In 2005, an anonymous tipster sent the family disturbing images of a woman from an adult website based in the Caribbean. —Stephanie Nolasco, FOXNews.com, 19 July 2025

But that has been just blood in the water, both to the Democrats who are now calling for the full release of the Epstein files and to the anonymous Republican strategists who have begun to warn of a drop in turnout in the midterms. —Benjamin Wallace-Wells, New Yorker, 19 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