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

1.
indistinguible, idéntico
not able to be identified as different or distinct
:
•
The twins were almost indistinguishable.
Los gemelos eran casi indistinguibles.
•
The fake banknotes were indistinguishable from the real ones.
Los billetes falsos eran indistinguibles de los reales.