as in unquestionable
not capable of being challenged or proved wrong
the contention that there are certain unchallengeable rules governing proper grammar
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Recent Examples of unchallengeable
Regular board and executive succession planning, with a balance of independent directors, can ensure the right questions are asked and no single person becomes unchallengeable.
—
James Henderson, Forbes, 4 Dec. 2024
Unlike Biden, Trump’s intraparty position is nearly unchallengeable.
—The Editors, National Review, 3 July 2024
In the heady days after the Cold War, the order appeared both unchallenged and unchallengeable.
—Ivo Daalder, Foreign Affairs, 21 June 2022
No longer having to play cosmetic chemist is an unchallengeable win.
—Essence, 23 Oct. 2023
Alternatively, maybe journalists and, later, historians, felt that to focus on the unsolved mystery of the break-in would somehow diminish the unchallengeable fact of Nixon’s guilt in the cover-up and various other scandals unearthed in the Watergate investigations and after.
—Timothy Noah, The New Republic, 17 June 2022
This was rooted in a calculation that America’s greatest source of strength was global perceptions of the country as unchallengeable.
—Max Fisher, New York Times, 18 Mar. 2023
However, authoritarian leaders like Vladimir Putin and Mohammed bin Salman are both extremely personally wealthy in ways that are harder to calculate and also have unchallengeable access to the vast wealth of their nations.
—Sean O'Kane, The Verge, 7 Jan. 2021
Smith was daily saving the honor of the unchallengeable ruler: Big Brother.
—Michael Brendan Dougherty, National Review, 2 June 2021
James Henderson, Forbes, 4 Dec. 2024
Unlike Biden, Trump’s intraparty position is nearly unchallengeable.
—The Editors, National Review, 3 July 2024
In the heady days after the Cold War, the order appeared both unchallenged and unchallengeable.
—Ivo Daalder, Foreign Affairs, 21 June 2022
No longer having to play cosmetic chemist is an unchallengeable win.
—Essence, 23 Oct. 2023
Alternatively, maybe journalists and, later, historians, felt that to focus on the unsolved mystery of the break-in would somehow diminish the unchallengeable fact of Nixon’s guilt in the cover-up and various other scandals unearthed in the Watergate investigations and after.
—Timothy Noah, The New Republic, 17 June 2022
This was rooted in a calculation that America’s greatest source of strength was global perceptions of the country as unchallengeable.
—Max Fisher, New York Times, 18 Mar. 2023
However, authoritarian leaders like Vladimir Putin and Mohammed bin Salman are both extremely personally wealthy in ways that are harder to calculate and also have unchallengeable access to the vast wealth of their nations.
—Sean O'Kane, The Verge, 7 Jan. 2021
Smith was daily saving the honor of the unchallengeable ruler: Big Brother.
—Michael Brendan Dougherty, National Review, 2 June 2021
Recent Examples of Synonyms for unchallengeable
Adjective
-
Because there is an unquestionable love for the material and a passion for the goofier, larger-than-life scenarios of comic book lore.—
Maureen Lee Lenker,
EW.com,
8 July 2025
-
Country music's most beloved radio program is an unquestionable American pop cultural institution.—
Marcus K. Dowling,
The Tennessean,
2 July 2025
Adjective
-
Sunday’s celebration over a second straight Stanley Cup is the irrefutable proof Zito was right to boldly change what had just won a Presidents’ Trophy — to fix what didn’t seem broken but was — and hire Maurice to shepherd that transformation.—
Greg Cote,
Miami Herald,
22 June 2025
-
The former first lady’s irrefutable star power is also the exception: Since the late 2000s, Sherald has built her career by depicting everyday Black Americans, becoming a leader among a generation committed to representing those previously overlooked by our art institutions.—
Julie Belcove,
Robb Report,
10 June 2025
Adjective
-
For decades, the value of a four-year college degree was indisputable.—
Staff,
USA Today,
21 July 2025
-
Here’s an indisputable lesson we’ve been given by The Netherlands – over and over again.—
Eli Amdur,
Forbes.com,
13 July 2025
Adjective
-
Second, combining data from different IoT devices revealed incontestable details of Alex Murdaugh’s activities.—
David Sella-Villa,
The Conversation,
24 June 2025
-
The imperatives of tying India’s economic fortunes more closely to the transformations occurring in these regions are therefore incontestable, especially because India already faces strong impediments to translating its natural dominance within South Asia into lasting local hegemony.—
ASHLEY J. TELLIS,
Foreign Affairs,
17 June 2025
Adjective
-
The forensic evidence was so conclusive that the case settled for a fraction of the initial demand, saving millions in potential damages.—
Lars Daniel,
Forbes.com,
14 July 2025
-
So Professor Thackeray, being a smart and thorough scientist, decided to obtain conclusive proof.—
Sam Kelly
July 8,
Literary Hub,
8 July 2025
Adjective
-
Plus, with about half the country distrustful of Trump regardless, the public will likely expect incontrovertible evidence of a severe setback to Iran's nuclear capabilities.—
Domenico Montanaro,
NPR,
23 June 2025
-
According to incontrovertible evidence, the bombings were carried out by the Federal Security Service (FSB) precisely to bring Putin to power.—
Daniel Foster,
National Review,
15 May 2025
Adjective
-
Unknown outcomes for so many negotiations leave supply chains with unanswerable questions.—
SJ Guest Editorial,
Sourcing Journal,
16 May 2025
-
Those larger questions might be unanswerable, but astrology’s longevity and popularity aren’t up for debate.—
Alex Abad-Santos,
Vox,
4 Apr. 2025
Adjective
-
Lush greenery in wicker creates a cottage feel Wicker retaining walls add indubitable charm.—
Katherine McLaughlin,
Architectural Digest,
18 Apr. 2025
-
The DeSantis announcement is an indubitable win for Musk.—
Scott Nover,
Quartz,
24 May 2023
Cite this Entry
“Unchallengeable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unchallengeable. Accessed 31 Jul. 2025.
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