形容词

1. 匿名的;无名的;不知名的
If you remain anonymous when you do something, you do not let people know that you were the person who did it.

1. having no known name or identity or known source

e.g. anonymous authors
anonymous donors
an anonymous gift

Synonym: anon.

2. not known or lacking marked individuality

e.g. brown anonymous houses
anonymous bureaucrats in the Civil Service