indistinguishable
adjective
[ ɪndɪˈstɪŋɡwɪʃəb(ə)l ]
• not able to be identified as different or distinct.
• "the counterfeit bills were virtually indistinguishable from the real thing"
Similar:
identical,
almost identical,
the same,
alike,
very similar,
cut from the same cloth,
two of a kind,
difficult to tell apart,
as like as two peas in a pod,
like Tweedledum and Tweedledee,
unintelligible,
incomprehensible,
hard to understand,
hard to make out,
indistinct,
unclear,
indefinite,
inappreciable,
indiscernible,
imperceptible,
inaudible,
