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.
Čapek’s robots, which are indistinguishable from humans, rise up and rebel against their creators, a plot that anticipates many robot stories that would follow. Keith Phipps, Vulture, 23 Apr. 2026 The ground not-beef taco tasted virtually indistinguishable from its meat counterpart, elevated by plenty of seasoning. Camila Pedrosa, Sacbee.com, 17 Apr. 2026 Far from spewing indistinguishable babble, jackzebra and Bloodz Boi rap at the edge of meaning and expressivity, with lyrics that mine specific Chinese cultural references to express more universal feelings. James Gui, Pitchfork, 17 Apr. 2026 Its enrollment peaked at 120 and fell to about 40 students this year, spread around a few white clapboard buildings indistinguishable from the houses of the surrounding farm town of about 1,300 people. Jon Marcus, NPR, 13 Apr. 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 28 Apr. 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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