[1] : WordNet (r) 2.0

unidentified
     adj 1: not yet identified; "an unidentifed species"; "an
            unidentified witness"
     2: being or having an unknown or unnamed source; "a poem by an
        unknown author"; "corporations responsible to nameless
        owners"; "an unnamed donor" syn: nameless, unknown, unnamed
see also:
nameless unknown unnamed 

[2] : Moby Thesaurus II by Grady Ward, 1.0

48 moby thesaurus words for "unidentified":
   able, anonymous, cryptonymic, cryptonymous, enigmatic,
   incalculable, incognito, incognizable, innominate, mysterious,
   nameless, puzzling, sealed, strange, unacknowledged, unapparent,
   unapprehended, unascertained, unbeknown, uncharted, unclassified,
   undefined, undesignated, undisclosed, undiscoverable, undiscovered,
   undivulged, unexplained, unexplored, unexposed, unfamiliar,
   unfathomed, unheard, unheard-of, uninvestigated, unknowable,
   unknown, unmarked, unnamed, unperceived, unplumbed, unrecognized,
   unrevealed, unspecified, unsuspected, untouched, virgin,
   without a name

Unidentified >> U Words
Unidentified, definition of term: Unidentified
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