indistinguishable


in·dis·tin·guish·able

adjective \ˌin-di-ˈstiŋ-gwi-shə-bəl, -ˈstiŋ-wi-\

: unable to be recognized as different : impossible to distinguish clearly from something else

Full Definition of INDISTINGUISHABLE

:  not distinguishable: as
a :  indeterminate in shape or structure <indistinguishable forms in the mist>
b :  not clearly recognizable or understandable <indistinguishable differences>
c :  lacking identifying or individualizing qualities <seemingly indistinguishable alternatives>
in·dis·tin·guish·abil·i·ty \-ˌstiŋ-gwi-shə-ˈbi-lə-tē, -ˌstiŋ-wi-\ noun
in·dis·tin·guish·able·ness \-ˈstiŋ-gwi-shə-bəl-nəs, -ˈstiŋ-wi-\ noun
in·dis·tin·guish·ably \-blē\ adverb

Examples of INDISTINGUISHABLE

  1. <indistinguishable differences that can be measured only electronically>
  2. <indistinguishable shapes in the fog>

First Known Use of INDISTINGUISHABLE

1606

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