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English definition of “anonymous”

anonymous

adjective [not gradable]    /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    /əˈnɑn·ə·mə·sli/ adverb The donation was made anonymously.
(Definition of anonymous adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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