unnamed
adjective uk/ʌnˈneɪmd/ us/ʌnˈneɪmd/
未透露姓名的，匿名的
An unnamed person or thing is talked about, but their name is not known or mentioned.
The article quoted an unnamed source from the White House. 这篇文章援引了白宫一位匿名人士的话。
Synonym: unidentified
Compare: nameless