Unidentified

//ˌʌnaɪˈdɛntɪfaɪd// adj

adj ·Uncommon ·Advanced level

Definitions

Adjective
  1. 1
    Not identified; having an unknown or unnamed identity. not-comparable

    "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."

Adjective
  1. 1
    being or having an unknown or unnamed source wordnet
  2. 2
    not yet identified wordnet

Synonyms

All synonyms
anonymousunknownablecryptonymiccryptonymousenigmatic

Example

More examples

"UFO stands for unidentified flying object."

Etymology

From un- + identified.

Related phrases

unidentified aerial phenomenonunidentified flying objectunidentified submarine objectunidentified submerged object

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.