Unidentifiable

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Difficult, if not impossible, to identify or name

Adjective

1
impossible to identify wordnet

Synonyms

elusive intangible unclassifiable undiagnosable unrecognisable

Antonyms

nameable identifiable

Example

"At midnight Tom awoke to loud, unidentifiable noises coming from the bedroom upstairs."

Etymology

From un- + identifiable.

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