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

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.
The right question is how to make learning indistinguishable from the work itself. James Glover, Forbes.com, 1 Sep. 2026 The Chiefs would win a game off that touchdown, and the NFL would name Watson, previously an indistinguishable seventh-round pick, its AFC defensive player of the week. Sam McDowell 29, Kansas City Star, 29 Aug. 2026 Audiences will be subject to more AI content on the big screen that’s indistinguishable from real human performances. Los Angeles Times, 29 Aug. 2026 In this way, pseudorandom numbers can be generated, which, in the best case, are indistinguishable from truly random numbers. Manon Bischoff, Scientific American, 25 Aug. 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

Browse Nearby Words

Cite this Entry

“Indistinguishable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indistinguishable. Accessed 4 Sep. 2026.

Kids Definition

indistinguishable

adjective
: impossible to distinguish clearly
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