indistinguishable

adjective

in·​dis·​tin·​guish·​able ˌin-di-ˈstiŋ-gwi-shə-bəl How to pronounce indistinguishable (audio)
-ˈstiŋ-wi-
Synonyms of indistinguishablenext
: not distinguishable: such as
a
: lacking identifying or individualizing qualities
seemingly indistinguishable alternatives
The copy is practically indistinguishable from the original.
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.
According to their study published in the Journal of Food Engineering, firing ultrasonic soundwaves into room temperature water makes equally strong and flavorful espresso shots that are indistinguishable from the traditional morning fuel. Andrew Paul, Popular Science, 11 June 2026 People with borderline personality disorder often feel other people’s emotions so deeply that those feelings become indistinguishable from their own. Angela Haupt, Time, 11 June 2026 In today’s political language, a uniparty means the idea that Democrats and Republicans are basically one indistinguishable establishment. Mayank Kejriwal, The Conversation, 10 June 2026 Most states have argued in court that all sports bets on these sites should be prohibited, arguing those bets one prediction sites are largely indistinguishable from gambling. Marshall Cohen, CNN Money, 10 June 2026 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 17 Jun. 2026.

Kids Definition

indistinguishable

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

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