When something is indistinguishable, it's impossible to tell which one is which. This can be a problem when you're trying to identify someone.
The clothes were indistinguishable and the police couldn't figure out who the thief was.
The muddy footprints were indistinguishable from the other footprints in the mud.
adjective
exactly alike; incapable of being perceived as different
Synonyms:
adjective
not capable of being distinguished or differentiated
Synonyms:
1
The two are completely indistinguishable.
2
The two are practically indistinguishable.
3
Most of the definitions are repeated and indistinguishable.
4
In the center is a child of an indistinguishable age.
5
The addition is nearly indistinguishable from the original.
6
As to the rest, most of them are indistinguishable from the others.
7
At the critical point, the liquid and gas become indistinguishable.
8
Now the bottom is completely indistinguishable from the background.
9
The females of the two species are virtually indistinguishable in appearance.
10
The people of the two countries are indistinguishable to most outsiders.