unidentified
/ˌʌnaɪˈdɛntɪfaɪd/
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Not identified; having an unknown or unnamed identity.
Adjective
Examples
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.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “unidentified” mean?
Not identified; having an unknown or unnamed identity.
Is “unidentified” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.