not yet identified; "an unidentified species"; "an unidentified witness"まだ確認されていない不明
例:an unidentified species 未確認の種
being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"知られてない、または無名の情報源のまたはそれらの特質がある無名の