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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Baelor Targaryen Baelor Targaryen (Bertie Carvel) — often called Baelor Breakspear — is a noble and widely respected Targaryen prince known for his honor, leadership and skill in battle.
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Unknown is whether the current Flora Macdonald Johnston is descended from her ferociously patriotic namesake – pictured above is the 1749 Allan Ramsay portrait of the noble Scotswoman that hangs in Oxford’s Ashmolean Museum.
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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Some were opposed on moral grounds to ICE’s presence in their neighborhoods, while others questioned whether the facilities would be a drain on local resources, such as sewer and water systems.
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Players had begun getting legal money, alleviating a moral embarrassment from the previous century-plus, but transfers hadn’t yet started flipping half of every roster every season.
Adjective
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In addition to conscientious UV protection, Hall recommends that patients with aging skin prioritize hydration and skin-barrier support.
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After a two-year National Service stint as a hospital orderly (thanks to his own conscientious-objector status), Hockney landed at the Royal College of Art, in London, in the fall of 1959.
Cite this Entry
“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 29 Jun. 2026.
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