INDUBITABLE Synonyms: 57 Similar and Opposite Words

indubitable

adjective

(ˌ)in-ˈdü-bə-tə-bəl

Definition of indubitable

as in unquestionable

not capable of being challenged or proved wrong the indubitable fact that there are no more woolly mammoths or saber-toothed tigers around

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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 indubitable As a result, mathematical truths do not make up a unified whole of equally indubitable truths; instead, their status as knowledge varies gradually from doubtless facts to increasingly uncertain hypotheses. — Quanta Magazine, 18 May 2026 The second route, and the route that makes indubitable sense, entails using the techniques and methods of psychology to gauge the performance of AI. — Lance Eliot, Forbes.com, 15 Apr. 2026 This Japandi design will look great in your forever home, too, of course, with its light wash wood and indubitable Donald Judd-ness. — Julia Harrison, Architectural Digest, 16 Mar. 2026 In 2025, Rebecca Yarros is that genre’s indubitable champion. — Rebecca Yarros, Vulture, 1 Dec. 2025 But while the trajectory is indubitable, the ascent is far from smooth, as Ghana’s recent experiences neatly encapsulate. — Charlie Campbell, Time, 30 Oct. 2025 In the 15 years that followed her country music debut, Swift has fully metamorphosed from Nashville darling into indubitable Queen of Pop. — Los Angeles Times, 15 Nov. 2022 The indubitable charm of the movie is all the richer because it is tracked by quiet fears. — Anthony Lane, The New Yorker, 21 Apr. 2022

Recent Examples of Synonyms for indubitable

Adjective

Arca — a nonbinary trans woman who makes uncategorizable music and embodies unquestionable glamour — anchors her divahood in a mutation of body, soul and sound.

— Los Angeles Times, Los Angeles Times, 15 Sep. 2026
There are unquestionable truths about the 19-year-old Hagens.

— Fluto Shinzawa, New York Times, 11 Sep. 2026

Definition of unquestionable

Adjective

Funnyman, vulgarian, auteur — Mel Brooks’s imprint on American cinema is incontestable yet scandalously undervalued.

— Manohla Dargis, New York Times, 26 June 2026
The mark was federally registered in 2015 and has since achieved incontestable status, a legal designation that strengthens ownership rights.

— Bryan West, USA Today, 30 Mar. 2026

Definition of incontestable

Adjective

Reporting on the Holocaust tested Grossman’s attention to character, replacing the gray zone of Soviet morality with irrefutable villains and victims.

— Madeleine Wulfahrt, New Yorker, 8 July 2026
Organizations that embed deep, scientific inquiry into their commercial DNA can not only disrupt existing markets but also engineer entirely new ones based on the irrefutable laws of physics.

— Alexandra Vidyuk, Forbes.com, 12 June 2026

Definition of irrefutable

Adjective

Hansen has maintained that his journalistic objective was to try to interview the men in order to understand their motives, but there was an undeniable, if also dark, schadenfreude in watching the titular predators be exposed to millions.

— David Mack, CNN Money, 23 Sep. 2026
That was always the wrong question in some sense; AI just made that undeniable.

— Boris Kulakhmetov, Forbes.com, 23 Sep. 2026

Definition of undeniable

Adjective

That is what’s decreed by the Premier League, which reviews each incident and only wants players to be sent off if there is incontrovertible evidence that the referee had no choice.

— Graham Scott, New York Times, 25 Aug. 2026
By slow degrees, Philip’s story shifts to accommodate the incontrovertible evidence of IP addresses and deciphered cryptography and Lucy struggles to keep up, let alone understand.

— Leslie Felperin, HollywoodReporter, 15 May 2026

Definition of incontrovertible

Adjective

To have or not to have pheromones Scientists have yet to find conclusive evidence about whether humans have or are able to detect pheromones.

— Devika Rao, TheWeek, 22 Sep. 2026
None is conclusive proof on its own, but each helps establish the date and time.

— Matthew Kayser, Miami Herald, 21 Sep. 2026

Definition of conclusive

Adjective

Yet despite these unarguable facts, the direction of the animation world lately has been decidedly pro-Shrek and anti–French rat.

— Jason P. Frank, Vulture, 26 June 2026
But the unarguable fact is that the federal government would be providing less money to pay for health care for the roughly 72 million Americans on Medicaid.

— Nicholas Kristof, The Mercury News, 11 Mar. 2025

Definition of unarguable

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“Indubitable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indubitable. Accessed 26 Sep. 2026.

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Synonyms of indubitable

adjective

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