/ ˈneɪmləs; NAmE / adjective
1.
[ usually before noun ] having no name; whose name you do not know :
a nameless grave
thousands of nameless and faceless workers
2.
whose name is kept secret
SYN anonymous :
a nameless source in the government
a well-known public figure who shall remain nameless
3.
[ usually before noun ] ( literary ) difficult or too unpleasant to describe :
nameless horrors
a nameless longing