nameless

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

being or having an unknown or unnamed source (Freq. 1)
- a poem by an unknown author
- corporations responsible to nameless owners
- an unnamed donor
• Syn:
unidentified, unknown, unnamed
• Similar to:
anonymous, anon.
• Derivationally related forms:
namelessness

• Từ đồng nghĩa / Synonyms:
  unidentified, unknown, unnamed