adj. Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct
adj. Not capable of being perceived or known.
the GNU version of the Collaborative International Dictionary of English
adj. Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct; hence, not capable of being perceived or known
The Century Dictionary and Cyclopedia
Not distinguishable; incapable of being distinguished, separated, or discriminated.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not capable of being distinguished or differentiated
adj. exactly alike; incapable of being perceived as different
Word Usage
"And it is what we call indistinguishable from all of the others."