DictionaryanonymousUnknown identity
adjective

anonymous

uh-NAH-nih-mus/əˈnɑːnɪməs/

Without a known or distinguishing identity.

An anonymous donor pays for the repairs to the community center.

An anonymous donor slips a plain, unsigned envelope through a collection-box slot.
Etymology

The pieces mean “without a name.” The connection is to identification: someone anonymous is unnamed or unidentified, just as anonymous writing does not name its author.

In context

Sleepless Historian44:42
There was no anonymous bank account. There was no secure witness protection program. There was no distant country where you could instantly disappear with a new identity.
Being a MEDIEVAL Assassin Was a Terrifying Experience | Sleepcbless Historian

More examples

  • The complaint arrived in an anonymous letter.
  • They spend the night in an anonymous hotel beside the highway.
  • The survey keeps every participant anonymous.

Forms

anonymity noun — The state of having an undisclosed identity.

Similar words

unnamed
Indicates an omitted name without implying an unknown identity.
unremarkable
Lacks distinction without necessarily concealing who or what it is.