indistinguishable
US /ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bəl/
UK /ˌɪn.dɪˈstɪŋ.ɡwɪ.ʃə.bəl/

1.
indistinguível, idêntico
not able to be identified as different or distinct
:
•
The twins were almost indistinguishable.
Os gêmeos eram quase indistinguíveis.
•
The fake banknotes were indistinguishable from the real ones.
As notas falsas eram indistinguíveis das verdadeiras.