anonymous

Universal Words adjective 1 (of a person) with a name that is not known or that is not made public: an anonymous donor / caller / buyer / benefactor / source * The money was donated by a local businessman who wishes to remain anonymous. 2 (abbreviation anon.) written, given, made, etc. by sb who does not want their name to be known or made public: an anonymous letter / gift 3 (written) without any unusual or interesting features: long stretches of dull and anonymous countryside * new housing estates with their anonymous tower blocks and large barren spaces anonymously adverb