You searched for: “most indistinguishable
indistinguishable (adjective), more indistinguishable, most indistinguishable
1. Incapable of being known or perceived; exactly alike: The two identical twins were indistinguishable to their new teacher in school!
2. Not disposed to being clearly discerned or recognisable: The photo showed a new car which was quite indistinguishable from the previous one which had been produced a couple of years before, except for a few small differences.
This entry is located in the following units: -able (page 20) stingu-, -stingu, stinct-, -stinct (page 3)