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.
Related Words
Relevance
Dissimilar Words
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 unimpeachable
Baxter’s soft-spoken but unimpeachable authority finds its perfect match in Abbott’s outwardly passionate charisma.
—
Tomris Laffly, Variety, 22 Jan. 2026
The film wields this voice—used with the permission of Hind’s surviving family—as unimpeachable, unignorable evidence.
—Justin Chang, New Yorker, 14 Jan. 2026
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
See All Example Sentences for unimpeachable
Tomris Laffly, Variety, 22 Jan. 2026
The film wields this voice—used with the permission of Hind’s surviving family—as unimpeachable, unignorable evidence.
—Justin Chang, New Yorker, 14 Jan. 2026
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
See All Example Sentences for unimpeachable
Recent Examples of Synonyms for unimpeachable
Adjective
-
Kramer and Fauci—their honorable disagreements, their curiosity about each other’s worldview, their good-faith debate—were the real show, all along.—
Talya Zax,
The Atlantic,
21 Feb. 2026
-
Resignation is the only honorable thing to do.—
Kirsten John Foy,
New York Daily News,
21 Feb. 2026
Adjective
-
Following the latest release of Epstein files, multiple artists and athletes including Chappell Roan, Abby Wambach and the Dropkick Murphys left the agency, citing ethical concerns.—
Lorraine Ali,
Los Angeles Times,
19 Feb. 2026
-
Questions and limitations of relying on DNA While police have increasingly used genetic databases to solve high-profile cases, the practice has long prompted ethical and privacy concerns.—
Bill Chappell,
NPR,
19 Feb. 2026
Adjective
-
An honest basketball coach without a real playbook.—
Nick Canepa,
San Diego Union-Tribune,
22 Feb. 2026
-
Clear, calm boundaries and honest talks can protect your peace while keeping family bonds strong.—
Melissa Willets,
Parents,
21 Feb. 2026
Adjective
-
That love, of course, is a pure and noble one in this iteration.—
Bilge Ebiri,
Vulture,
16 Feb. 2026
-
Thank you for your attempt at helping in the noble cause of mannerliness, but Miss Manners is afraid that your suggestion represents the problem, not the solution.—
Judith Martin,
Mercury News,
16 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
-
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
-
The repudiation was a moral imperative for Ukraine’s flag-bearer at the Opening Ceremony.—
Sean Strockyj,
New York Daily News,
17 Feb. 2026
-
Lasting renewal begins with moral preparation.—
Irfan Sarwar,
Chicago Tribune,
17 Feb. 2026
Adjective
-
For 20-odd years, Adams has been one of Hollywood’s most reliably committed and conscientious performers.—
Guy Lodge,
Variety,
16 Feb. 2026
-
The Sun Sentinel Editorial Board recommends that Pembroke Pines voters re-elect two capable and conscientious incumbent commissioners.—
Sun Sentinel Editorial Board,
Sun Sentinel,
13 Feb. 2026
Cite this Entry
“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 23 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
