| Adj. | 1. | indistinguishable - exactly alike; incapable of being perceived as different; "rows of identical houses"; "cars identical except for their license plates"; "they wore indistinguishable hats" same - closely similar or comparable in kind or quality or quantity or degree; "curtains the same color as the walls"; "two girls of the same age"; "mother and son have the same blue eyes"; "animals of the same species"; "the same rules as before"; "two boxes having the same dimensions"; "the same day next year" |
| 2. | indistinguishable - 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"distinguishable - capable of being perceived as different or distinct; "only the shine of their metal was distinguishable in the gloom"; "a project distinguishable into four stages of progress"; "distinguishable differences between the twins" |