INDISTINGUISHABLE Synonyms: 133 Similar and Opposite Words

indistinguishable

adjective

ˌin-di-ˈstiŋ-gwi-shə-bəl

Definition of indistinguishable

as in invisible

not perceptible by a sense or by the mind indistinguishable differences that can be measured only electronically

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in vague

not seen or understood clearly indistinguishable shapes in the fog

Synonyms & Similar Words

Antonyms & Near Antonyms

as in identical

resembling another in every respect a synthetic fabric that supposedly is indistinguishable from real silk

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of indistinguishable But most of the objects are in good or pristine condition, indistinguishable from equivalent items on the resale market. — Oscar Holland, CNN Money, 14 Sep. 2026 If ideas seem too abstruse, Ethan and Joe discuss them at length in rhetoric indistinguishable from pompous teenagers working through philosophical basics. — Vikram Murthi, IndieWire, 14 Sep. 2026 The sea was indistinguishable from the sky, except that the sea was slightly creased as if a cloth had wrinkles in it. — Literary Hub, 8 Sep. 2026 For a moment, architecture, music, and poetry became indistinguishable. — Octavia McBride-Ahebee, Christian Science Monitor, 4 Sep. 2026 See All Example Sentences for indistinguishable

Recent Examples of Synonyms for indistinguishable

Adjective

The challenge is that the cost of prevention is visible today, while the value of preventing a mistake is invisible unless something goes wrong.

— George Achilleos, Forbes.com, 25 Sep. 2026
Among other reasons, particle physicists can use it to learn more about dark matter, a largely invisible substance that constitutes 80% of the matter in the universe.

— Cara Giovanetti, The Conversation, 25 Sep. 2026

Definition of invisible

Adjective

Even as strong as the UNEP report is, the language of who does mitigation is so vague as to almost verge on the passive voice.

— Stephanie Walton, Fortune, 29 Sep. 2026
North Korea issued a vague expression of regret over the soldiers’ injuries without clearly accepting responsibility.

— ABC News, ABC News, 28 Sep. 2026

Definition of vague

Adjective

The key test was performed independently on two nominally identical devices, one at EPFL and one at the Weizmann Institute, using separate experimental setups.

— Rupendra Brahambhatt, Interesting Engineering, 27 Sep. 2026
The week the flight ends is the worst possible time to judge it, because that’s the one point where a spike and a durable signal look identical.

— Tony Gonzalez, Forbes.com, 25 Sep. 2026

Definition of identical

Adjective

Masons, carvers and conservators all work towards the preservation and enhancement and even creation of heritage, but as experience and knowledge grows so a gradual almost imperceptible transition occurs.

— Literary Hub, Literary Hub, 21 Sep. 2026
The building has no ramps as the designers kept all slopes to a gentle two percent that’s virtually imperceptible.

— Edward Keegan, Chicago Tribune, 19 Sep. 2026

Definition of imperceptible

Adjective

The backstory For most of my life, the Old Dutch Inn has been just a faint memory of kicking my legs from a bar stool, drinking a Shirley Temple next to my late grandmother, who would likely have been nursing a gin and tonic.

— Condé Nast, Condé Nast Traveler, 23 Sep. 2026
The outcry over data centers — warehouses that contain the hardware for powering artificial intelligence and other technology — was only a faint murmur when McCallister first saw the survey markers.

— Justin Papp, CNBC, 23 Sep. 2026

Definition of faint

Adjective

In Lepecki’s account, the gesture again demonstrated that stillness in dance always vibrates with subtle motion.

— Sophie Landres, Artforum, 1 Oct. 2026
Against a backdrop of wilting flowers that left a subtle funk in the air, designer Glenn Martens once again put forth ideas that challenged conventions of beautiful clothing.

— Leah Dolan, CNN Money, 30 Sep. 2026

Definition of subtle

Adjective

As the show became a cultural juggernaut, some criticized its vigilante justice and the hazy line between law enforcement and journalism.

— Charisma Madarang, Rolling Stone, 26 Sep. 2026
The Libra Sun opposes Neptune across your career and home zones, making ambition look especially attractive while the personal cost remains hazy.

— Tarot.com, Baltimore Sun, 25 Sep. 2026

Definition of hazy

Browse Nearby Words

indistinctness

indistinguishable

indistinguished

See all Nearby Words

Cite this Entry

Style

“Indistinguishable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indistinguishable. Accessed 1 Oct. 2026.

Copy Citation

Synonyms of indistinguishable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

slew

Popular in Grammar & Usage

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

7 Great Ways to Say 'Great'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 2

16 Food Words Recently Added to the Dictionary

Popular

Do You Need a New Language Peeve?

7 Great Ways to Say 'Great'

The Longest Long Words List

Games & Quizzes