Definition of “anonymous” - English Dictionary

“anonymous” in British English

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anonymousadjective

uk /əˈnɒn.ɪ.məs/ us /əˈnɑː.nə.məs/

C2 made or done by someone whose name is not known or not made public:

The money was donated by an anonymous benefactor.
Police said an anonymous caller warned that a bomb was about to go off.
An attempt to implant an embryo using an egg from an anonymous woman donor was unsuccessful.
He received an anonymous letter threatening to disclose details of his affair if he didn't pay the money.
For reasons of personal safety, the informant wishes to remain anonymous.

having no unusual or interesting features:

He has a rather anonymous face.

More examples

  • An anonymous letter alerted police to the possibility of a terrorist attack at the airport.
  • An anonymous businesswoman donated one million dollars to the charity.
  • Thanks to a large gift from an anonymous donor, the charity was able to continue its work.
  • After years of research, scholars have finally ascribed this anonymous play to Christopher Marlowe.
  • An anonymous tipster has leaked confidential government information to the press.
anonymously
adverb uk /əˈnɒn.ɪ.məs.li/ us /əˈnɑː.nə.məs.li/

The donation was made anonymously.

(Definition of “anonymous” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“anonymous” in American English

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anonymousadjective [ not gradable ]

us /əˈnɑn·ə·məs/

(made or done by someone) with a name that is not known or not made public:

an anonymous donor
an anonymous gift
anonymously
adverb us /əˈnɑn·ə·mə·sli/

The donation was made anonymously.

(Definition of “anonymous” from the Cambridge Academic Content Dictionary © Cambridge University Press)