UNQUESTIONABLE Synonyms: 57 Similar and Opposite Words

unquestionable

adjective

ˌən-ˈkwes-chə-nə-bəl

Definition of unquestionable

as in undeniable

not capable of being challenged or proved wrong a person of unquestionable integrity

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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 unquestionable Hearts have melted online after a scared rescue dog bravely faced her fear in order to join her owner, with many viewers praising her unquestionable courage and determination. — Alyce Collins, MSNBC Newsweek, 30 Mar. 2026 Growing tensions While his legacy is unquestionable, his departure from Liverpool is perhaps overdue and, like any relationship, there have been blips. — Ben Church, CNN Money, 25 Mar. 2026 In the eyes of hard-liners, Khamenei stood as the unquestionable authority — below only that of God. — Lee Keath, Fortune, 1 Mar. 2026 In the eyes of hard-liners, Khamenei stands as the unquestionable authority — below only that of God. — Dallas Morning News, 28 Feb. 2026 See All Example Sentences for unquestionable

Recent Examples of Synonyms for unquestionable

Adjective

For the American, the loss carries an undeniable silver lining.

— Ava Wallace, New York Times, 9 July 2026
The potential productivity gains are undeniable; the rate of change is massive.

— Catherine Bell, Forbes.com, 8 July 2026

Definition of undeniable

Adjective

Michelle Obama’s indisputable exceptional leadership provided a public example of the Black female leadership that was already ingrained.

— Jallicia Jolly, Forbes.com, 1 July 2026
Indeed, Brian has created hundreds of billions in value for his shareholders and his legacy as one of the greatest business builders and dealmakers of our time is indisputable.

— Jeffrey Sonnenfeld, Fortune, 30 June 2026

Definition of indisputable

Adjective

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, 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

Definition of indubitable

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

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

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

Adjective

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
What is incontrovertible, however, is how indispensable Guimaraes is for Howe and Newcastle.

— Chris Waugh, New York Times, 8 May 2026

Definition of incontrovertible

Adjective

There’s no conclusive answer, and that’s something McElwee will have to live with.

— Stephanie Zacharek, Time, 10 July 2026
Although rescuers had not detected conclusive signs of life, the operation continued under the watch of the child’s parents and grandmother.

— Antonio María Delgado, Miami Herald, 4 July 2026

Definition of conclusive

Browse Nearby Words

unquenchable

unquestionable

unquestionably

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“Unquestionable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unquestionable. Accessed 15 Jul. 2026.

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Synonyms of unquestionable

adjective

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