indistinguishable

1 of 2

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

2 of 2

noun

: the quality or state of being indistinguishable

Examples of indistinguishable in a Sentence

Adjective 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.
Adjective
For this group, politics and art are so entwined as to be indistinguishable. — Stephanie Zacharek, Time, 16 Oct. 2026 But to my untrained eye, their onyx-coats are frustratingly indistinguishable from the volcanic terrain. — Jen Murphy, Condé Nast Traveler, 15 Oct. 2026 Had Thursday gone differently, the present and future may have been indistinguishable. — Brian Hamilton, New York Times, 2 Oct. 2026 Thus the Marlowe played by Mitchum in the 1978 remake of The Big Sleep seems like an entirely different person from the original played by Bogart in 1946, despite their almost indistinguishable stories. — Harmon Siegel, Artforum, 1 Oct. 2026 See All Example Sentences for indistinguishable

Word History

First Known Use

Adjective

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 20 Oct. 2026.

Kids Definition

indistinguishable

adjective
: impossible to distinguish clearly
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