Meaning of indistinguishable

in•dis•tin•guish•a•ble

Pronunciation: (in"di-sting'gwi-shu-bul), [key]
— adj.
  1. not distinguishable.
  2. indiscernible; imperceptible.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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