Princeton's WordNet

1. unidentified(adj)

   not yet identified

   "an unidentified species"; "an unidentified witness"

2. nameless, unidentified, unknown, unnamed(adj)

   being or having an unknown or unnamed source

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

Kernerman English Learner's Dictionary

1. unidentified(adjective)ˌʌnaɪdˈɛntəfˌaɪd

   not recognized or not known

   a body that remains unidentified; an unidentified source of information

Wiktionary

1. unidentified(Adjective)

   not identified; having an unknown or unnamed identity.

• onidentifiseerbaarAfrikaans
• غَيْر مَعْروف، غَيْر مُحَدَّد الهَوِيَّهArabic
• неопределенBulgarian
• não identificadoPortuguese (BR)
• nezjištěnýCzech
• unidentifiziertGerman
• uidentificeretDanish
• άγνωστης ταυτότητας, μη αναγνωρισμένοςGreek
• no identificadoSpanish
• tuvastamataEstonian
• ناشناختهFarsi
• tunnistamatonFinnish
• non identifiéFrench
• בִּלתִי מְזוּהֶהHebrew
• अज्ञात, अचिह्नितHindi
• neidentificiranCroatian
• ismeretlenHungarian
• tidak dikenalIndonesian
• sem menn bera ekki kennslaáIcelandic
• non identificatoItalian
• 身元不明のJapanese
• 신원 불명의Korean
• nenustatytasLithuanian
• neidentificēts; nenoskaidrotsLatvian
• tdk dapat dikenal pastiMalay
• niet geïdentificeerdDutch
• uidentifisertNorwegian
• nie zidentyfikowanyPolish
• não identificadoPortuguese
• neidentificatRomanian
• неопознанныйRussian
• nezistenýSlovak
• neprepoznanSlovenian
• neidentifikovanSerbian
• oidentifieradSwedish
• ซึ่งไม่สามารถระบุได้Thai
• kimliği belirsizTurkish
• 身份不明的Chinese (Trad.)
• нерозпізнанийUkrainian
• جس کي شناخت نہ ہوسکي ہوUrdu
• không nhận biết đượcVietnamese
• 身份不明的Chinese (Simp.)