unidentified unidentified /ˌənaɪˈdɛntəˌfaɪd/

adjective

1. Being or having an unknown or unnamed source  ( unidentified , unnamed , nameless , unknown )
   being or having an unknown or unnamed source
    A poem by an unknown author
   a poem by an unknown author
    Corporations responsible to nameless owners
   corporations responsible to nameless owners
    An unnamed donor
   an unnamed donor
   
2. Not yet identified  ( unidentified )
   not yet identified
    An unidentified species
   an unidentified species
    An unidentified witness
   an unidentified witness