indistinguishable

adjective

in·​dis·​tin·​guish·​able ˌin-di-ˈstiŋ-gwi-shə-bəl How to pronounce indistinguishable (audio)
-ˈstiŋ-wi-
: not distinguishable: such as
a
: lacking identifying or individualizing qualities
seemingly indistinguishable alternatives
b
: not clearly recognizable or understandable
indistinguishable differences
c
: indeterminate in shape or structure
indistinguishable forms in the mist
indistinguishability noun
indistinguishableness noun
indistinguishably adverb

Examples of indistinguishable in a Sentence

indistinguishable differences that can be measured only electronically indistinguishable shapes in the fog
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These optical qualities mean the coating can generate clean energy while keeping the glass clear and natural-looking, and ensure that windows remain visually indistinguishable from ordinary glass. Georgina Jedikovska, Interesting Engineering, 4 Sep. 2025 The video tracks their growth together but by 11 months, the brothers are virtually indistinguishable in size, despite being just over 16 months apart. Daniella Gray, MSNBC Newsweek, 2 Sep. 2025 Under national ratings, these municipalities looked indistinguishable from their central governments, whose weaker fiscal records cast a long shadow. Robert Ginsburg, Forbes.com, 31 Aug. 2025 White, whose vocal performances in the movie are virtually indistinguishable from the handful of vintage Springsteen recordings also included in spots, was asked about the challenge of reproducing that tone. Chris Willman, Variety, 31 Aug. 2025 See All Example Sentences for indistinguishable

Word History

First Known Use

1606, in the meaning defined above

Time Traveler
The first known use of indistinguishable was in 1606

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Cite this Entry

“Indistinguishable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indistinguishable. Accessed 10 Sep. 2025.

Kids Definition

indistinguishable

adjective
in·​dis·​tin·​guish·​able ˌin-dis-ˈtiŋ-gwish-ə-bəl How to pronounce indistinguishable (audio)
: impossible to distinguish clearly

More from Merriam-Webster on indistinguishable

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