indistinguishable

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