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.
But so is societal dependence on AI. Year 2034: AI interaction appears to be indistinguishable from human-to-human interaction, even as tested by those who are versed in tricking AI into revealing itself. Lance Eliot, Forbes.com, 5 June 2025 When the Arizona Supreme Court handed down its ruling in a pair of arson and DUI cases this month, the announcement on its website wasn’t delivered by a judge or spokesperson, but instead by two AI avatars that are virtually indistinguishable from real people. Kevin Nious, NBC news, 29 May 2025 This question feels all too relatable today, when news headlines seem indistinguishable from satire. Emily McClanathan, Chicago Tribune, 27 May 2025 The team notes that the gases are chemically indistinguishable from gases present in volcanic rocks from Hawaiʻi, where volcanism is fueled by a mantle plume. David Bressan, Forbes.com, 27 May 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 12 Jun. 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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