unnamed
1. [ adjective ] being or having an unknown or unnamed source
Synonyms: unknown nameless unidentified
Examples:

"a poem by an unknown author" "corporations responsible to nameless owners" "an unnamed donor"

Related terms: anonymous
Similar spelling:   unended
  unwanted
  unmanned
  unhand
  unendowed
  unwantedly
  unowned
  unmined
  unentitled
  unending