Meaning & Definition of Indistinguishable in English

1. Exactly alike

• Incapable of being perceived as different

• "Rows of identical houses"

• "Cars identical except for their license plates"

• "They wore indistinguishable hats"

2. Not capable of being distinguished or differentiated

• "The two specimens are actually different from each other but the differences are almost indistinguishable"

• "The twins were indistinguishable"

• "A colorless person quite indistinguishable from the colorless mass of humanity"