unidentified
adj/ˌʌnaɪˈdɛntɪfaɪd/
Etymology From un- + identified.
1
Not identified; having an unknown or unnamed identity.
- The U.S. and Canada are investigating three unidentified flying objects shot down over North America in the past three days. Militaries have adjusted radars to try to spot more incursions.2023 February 12, Julian E. Barnes, Helene Cooper, Edward Wong, “What’s Going On Up There? Theories but No Answers in Shootdowns of Mystery Craft.”, in The New York Times, →ISSN: