Antonyms of adj identifiable

1 sense of identifiable

Sense 1
identifiable (vs. unidentifiable) -- (capable of being identified)

unidentifiable (vs. identifiable) -- (impossible to identify)
        => elusive -- (difficult to describe; "a haunting elusive odor")
        => intangible -- (hard to pin down or identify; "an intangible feeling of impending disaster")
        => unclassifiable -- (not possible to classify)
        => undiagnosable -- (not possible to diagnose)
        => unrecognizable, unrecognisable -- (defying recognition as e.g. because of damage or alteration)

Similarity of adj identifiable

1 sense of identifiable

Sense 1
identifiable (vs. unidentifiable) -- (capable of being identified)
       => acknowledgeable -- (capable of being acknowledged)
       => classifiable, distinctive -- (capable of being classified)
       => diagnosable -- (capable of being diagnosed)
       => recognizable, recognisable, placeable -- (capable of being recognized)
       => specifiable -- (capable of being specified; "specifiable complaints")