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Language Research - Words
anonymous · adjective /əˈnɑn.ə.məs/Full view
anonymous
C2 not giving a name
Dictionary examples:

an anonymous phone call/letter

The winner has asked to remain anonymous.

Learner example:

Because the internet does provide the possibility of staying anonymous, it is very hard to find the people wh[o] use it for illegal or criminal actions. (International English Language Testing System; C2; German)

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