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 of anonymous

• 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

In a July 9 Facebook post, the Nebraska Humane Society said its personnel executed a search warrant at a West Omaha residence following an anonymous tip about animals’ well-being. — Anthony Thompson, USA Today, 10 July 2026

But after discovering that Cady and Nevaeh had been using a drug on Zack to brainwash him, Anna opts to fight fire with fire by planting drugs in Cady’s house and placing an anonymous call to CrimeStoppers. — Scott Tobias, Vulture, 10 July 2026

Anyone with information is asked to call the Midwest District General Investigations Unit at 305-471-2800 or can remain anonymous by calling Miami-Dade Crime Stoppers at 305-471-8477. — Devoun Cetoute, Miami Herald, 10 July 2026

Texas Crime Stoppers is now offering a cash reward of up to $7,500 for any information leading to his arrest, and ensures that all tips are anonymous. — Mary Ella Hastings july 9, Fort Worth Star-Telegram, 9 July 2026

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