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
To Kennedy, the enormity of such a scientific and public achievement would provide unimpeachable proof to the world that the American way was superior to life behind the Iron Curtain.
—
Michael Carrafiello,
The Conversation,
16 Mar. 2026
MacNeil and Crochet have justifiable faith that regulars like me, lured by their unimpeachable sandwiches and pastas, will look at their constantly changing pastries and feel the exact same way.
—
Chris Morocco,
Bon Appetit Magazine,
17 Feb. 2026
That’s an unimpeachable part of his legacy.
—
Alex Zietlow,
Charlotte Observer,
17 Feb. 2026
In this landscape, organizations such as the CDC, which once stood as unimpeachable examples of government competence, have become victims of their own success, appearing to skeptics to be inert or irrelevant.
—
Vann R. Newkirk Ii,
The Atlantic,
9 Feb. 2026
See All Example Sentences for unimpeachable
Michael Carrafiello,
The Conversation,
16 Mar. 2026
MacNeil and Crochet have justifiable faith that regulars like me, lured by their unimpeachable sandwiches and pastas, will look at their constantly changing pastries and feel the exact same way.
—
Chris Morocco,
Bon Appetit Magazine,
17 Feb. 2026
That’s an unimpeachable part of his legacy.
—
Alex Zietlow,
Charlotte Observer,
17 Feb. 2026
In this landscape, organizations such as the CDC, which once stood as unimpeachable examples of government competence, have become victims of their own success, appearing to skeptics to be inert or irrelevant.
—
Vann R. Newkirk Ii,
The Atlantic,
9 Feb. 2026
See All Example Sentences for unimpeachable
Recent Examples of Synonyms for unimpeachable
Adjective
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Manliness is a touchy subject these days, but there was a time when honorable combat was respected above the mere running of one’s mouth.
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And Florida passed only because one player made the honorable decision.
Adjective
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The whole industry poses significant ethical risks.
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Under his direction, Cathay debuted the Aria Suite—a reimagining of premium travel—alongside the global 'Where Artistry Takes Flight' campaign, where the airline partnered with an ethical AI platform to create an interactive art tool.
Adjective
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September 23 – October 22 Where can balance invite honest progress?
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Let’s be honest, flip-flops aren’t known for their support—but somehow, these under-$20 sandals have racked up hundreds of five-star reviews raving about their comfort.
Adjective
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The idea that, rather than taking your phone out of your pocket to open the Soundcore app to get all the settings, is a noble one, but it's replaced by taking your carry case out of your pocket, unlocking it, and then getting to all the settings.
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So did his friendly rival, John Adams, who wrote of his dream ‘…to see rising in America an empire of liberty, and a prospect of two or three hundred millions of freemen, without one noble or one king among them.
Adjective
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Peru's right-wing presidential candidate Keiko Fujimori built what may be an unassailable lead on Tuesday as vote counting for the runoff election entered its final stages, official figures showed.
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There could then be a leadership contest, or a coronation, depending on whether other potential candidates think Burnham has an unassailable lead.
Adjective
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Rather than focus on a single irreproachable hero, Mendonça Filho dilates his lens to take in an expansive world.
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Classics from the diasporic Vietnamese repertoire are included, too, with irreproachable instructions.
Adjective
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The Vatican prioritizes human dignity and moral considerations over profit and efficiency.
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The text is a philosophical treatise on ethics and human moral progress, and the final column revealed the name Aristocreon, a nephew and disciple of the Stoic philosopher Chrysippus.
Adjective
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Can its legions drink that much beer and still be conscientious enough to clear away the trash?
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Trea Turner was conscientious enough to wait for his double-play partner, Bryson Stott, who had authored one of the finest games of his career.
Cite this Entry
“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 3 Jul. 2026.
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