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.
The ones who ultimately were admitted were virtually indistinguishable from the ones who weren’t, meaning that the first group’s superior career performance was almost certainly caused by attending the more selective school. Rose Horowitch, The Atlantic, 4 Apr. 2026 The days filed by, one largely indistinguishable from the next. Kate Crane, Rolling Stone, 2 Apr. 2026 The effects added even more variety to the light and texture of the dense foliage and rocks, making the depicted landscape indistinguishable from real-world photography. Michael Kan, PC Magazine, 31 Mar. 2026 The fresh precipitation had rendered the thin roads above Lake Tahoe almost indistinguishable from the frosted forests around them. Namir Khaliq, Big Think, 31 Mar. 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 6 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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