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.
These armed settler groups now operate alongside — and are increasingly indistinguishable from — official security forces. Arie Perliger, The Conversation, 12 Dec. 2025 The real and the imaginary could become indistinguishable, and ghosts and the supernatural were an accepted part of everyday life. Dennis Zhou, New Yorker, 12 Dec. 2025 Whereas Chandler’s Marlowe pursued meaning through corruption, Tarnow swims in a world where corruption and meaning are indistinguishable. Literary Hub, 10 Dec. 2025 However, this resurgence has also contributed to a rise in accidental poisonings, as the subtle differences between toxic and edible species are often indistinguishable even to seasoned foragers. Hollie Silverman, MSNBC Newsweek, 7 Dec. 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 24 Dec. 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

Last Updated: - Updated example sentences
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