indistinguishable

/IH0 N D IH0 S T IH1 NG G W IH0 SH AH0 B AH0 L/
noun
  1. 1

    Any of a set of things that cannot be distinguished.

adjective
  1. 1

    Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct

    โ€œAny sufficiently advanced technology is indistinguishable from magic โ€” Arthur C. Clarke https//en.wikipedia.org/Clarke's_three_lawsโ€

  2. 2

    Not capable of being perceived or known.

Source: https://en.wiktionary.org/wiki/indistinguishable