as in honorable
formal
very reliable and trusted; not able to be doubted or questioned
a person of unimpeachable integrity The information is from an unimpeachable source.
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Recent Examples of unimpeachable
And for nearly 200 years, the Navier-Stokes equations have served as an unimpeachable theory of how fluids in the real world behave — from ocean currents threading their way between the continents to air wrapping around an aircraft’s wings.
—
Quanta Magazine, 9 Jan. 2026
Part of me believes that, if Indiana wins, Cignetti should retire after this season and spend the rest of his life on a beach, scowling at resort attendants and being basically unimpeachable forever.
—Will Leitch, New York Times, 6 Jan. 2026
As a subject, Hind is unimpeachable, which may be why so many of the Hollywood elite, a famously risk-averse group, signed on to the film as executive producers.
—E. Alex Jung, Vulture, 11 Dec. 2025
By the same token, passing peer review doesn’t mean that everything in the piece, from the methods to the results to the conclusions, is sound and unimpeachable.
—Ethan Siegel, Big Think, 19 Sep. 2025
See All Example Sentences for unimpeachable
Quanta Magazine, 9 Jan. 2026
Part of me believes that, if Indiana wins, Cignetti should retire after this season and spend the rest of his life on a beach, scowling at resort attendants and being basically unimpeachable forever.
—Will Leitch, New York Times, 6 Jan. 2026
As a subject, Hind is unimpeachable, which may be why so many of the Hollywood elite, a famously risk-averse group, signed on to the film as executive producers.
—E. Alex Jung, Vulture, 11 Dec. 2025
By the same token, passing peer review doesn’t mean that everything in the piece, from the methods to the results to the conclusions, is sound and unimpeachable.
—Ethan Siegel, Big Think, 19 Sep. 2025
See All Example Sentences for unimpeachable
Recent Examples of Synonyms for unimpeachable
Adjective
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Though the art that first spoke to me was honest and honorable depictions of Black life, I have since been inspired, gutted and changed by artists from all walks of life.—
Anya Sesay,
jsonline.com,
5 Feb. 2026
-
Democratic Congressman Mike Thompson called LaMalfa an honorable public servant and recounted the two working together to deliver help for wildfire victims.—
Steve Large,
CBS News,
25 Jan. 2026
Adjective
-
Karp’s defense of Epstein raises ethical and professional questions.—
Michael McCann,
Sportico.com,
5 Feb. 2026
-
The party is attempting to establish itself as the responsible anchor of a fragile coalition — a role that demands ethical clarity, internal coherence, and strategic restraint.—
Sam Mkokeli,
semafor.com,
4 Feb. 2026
Adjective
-
The most important issue facing the county is ensuring that the felt needs of residents are prioritized, and that the community feels seen, heard and responded to through honest, timely communication.—
Charlotte Observer,
Charlotte Observer,
14 Feb. 2026
-
Preparation before the storm, honest assessment after.—
Eleanor Dearman,
Fort Worth Star-Telegram,
14 Feb. 2026
Adjective
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Netflix's Bridgerton is a Regency-era series about the romantic follies of the noble Bridgerton family.—
Allison DeGrushe,
Entertainment Weekly,
6 Feb. 2026
-
Values to be tested Its obsession is also unusual in an industry prone to mission drift, where tech companies are founded on noble notions of improving humanity — before the obligations to investors take over.—
Parmy Olson,
Mercury News,
6 Feb. 2026
Adjective
-
While many look to China as an unassailable clean energy superpower, India’s electrification pathway may end up being even faster, according to a new report from climate think tank Ember, with big implications for the rest of the world.—
Laura Paddison,
CNN Money,
11 Feb. 2026
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Excusing those two flickers of broken hegemony, the WSL’s highest echelon has been an unassailable strongbox, a figment of the rest of the table’s imagination.—
Megan Feringa,
New York Times,
9 Feb. 2026
Adjective
-
Each of them offers money and position but nothing much in the way of pleasure, excitement, intellectual stimulation, or the prospect of anything other than a life of loveless, socially irreproachable tedium possibly brightened by the occasional extramarital affair.—
Literary Hub,
Literary Hub,
2 Sep. 2025
-
Beneath their air of irreproachable authority, Jung and Freud — both brilliantly played, the first with subtlety, the other with theatrical relish — wrestle with petty grievances and insecurities, while the former stubbornly rationalizes his affair with onetime patient Spielrein.—
A.A. Dowd,
Vulture,
28 Apr. 2025
Adjective
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No artist, agent or employee should ever be expected to defend or overlook actions that conflict so deeply with our own moral values.—
Los Angeles Times,
Los Angeles Times,
10 Feb. 2026
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The movie is, above all, about the moral compromise and human costs that come with immigration enforcement.—
Alexander Nazaryan,
New Yorker,
10 Feb. 2026
Adjective
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Those places were unregulated, untaxed and, typically, not particularly conscientious about checking ID.—
Teri Sforza,
Oc Register,
6 Feb. 2026
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Many states are new enacting or widening already broad religious and conscientious exemptions.—
Richard Hughes IV,
STAT,
12 Jan. 2026
Cite this Entry
“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 17 Feb. 2026.
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