UNIMPEACHABLE Synonyms: 91 Similar and Opposite Words

unimpeachable

adjective

Definition of unimpeachable

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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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 And his staging’s faithfulness to the film is unimpeachable. — Rob Hubbard, Twin Cities, 25 Apr. 2026 Of course, at the heart of it was the man himself, a deeply polarizing music icon whose years-long tirades against everyone from Jewish people to his peers tainted a legacy that once seemed unimpeachable. — Steven J. Horowitz, Variety, 2 Apr. 2026 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 Conventional wisdom dictates that Buckley is the unimpeachable front-runner here. — Savannah Walsh, Vanity Fair, 13 Mar. 2026 See All Example Sentences for unimpeachable

Recent Examples of Synonyms for unimpeachable

Adjective

Someone who lost their way despite their initial, honorable intentions.

— Andy Andersen, Vulture, 10 July 2026
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.

— Clarence Page, Chicago Tribune, 22 June 2026

Definition of honorable

Adjective

Performance-enhancing uses also raise ethical considerations.

— Elaine Yu, CNBC, 11 July 2026
While guidelines provide oversight on the vetting, selection and usage of AI tools, governance provides the structural oversight that keeps AI aligned with business objectives, ethical standards and regulatory requirements.

— Scott Francis, Forbes.com, 10 July 2026

Definition of ethical

Adjective

Warm, fuzzy feelings for noble stupidity are an American thing, especially in politics.

— The New Yorker, New Yorker, 4 July 2026
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.

— Ewan Spence, Forbes.com, 1 July 2026

Definition of noble

Adjective

Blatter looked unassailable right up to the moment he was toppled; his long-running heir apparent was also pushed out, which is how Infantino ended up as FIFA president in the first place.

— David A. Graham, The Atlantic, 6 July 2026
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.

— CBS News, CBS News, 24 June 2026

Definition of unassailable

Adjective

That moral point also happens to be hard-nosed business logic.

— Raj Ananthanpillai, Forbes.com, 8 July 2026
But what had happened was—because people like me had kept quiet in the name of coalition politics for so long, when the break came and when the moral test came, when Newtown came.

— David Frum, The Atlantic, 8 July 2026

Definition of moral

Adjective

Earth-friendly, conscientious gardeners learn to slow down and pay attention — not only to plants but to the many creatures that share the garden.

— Rita Perwich, San Diego Union-Tribune, 4 July 2026
With its opaque rules and rigid customs, even the most conscientious traveler can put a foot wrong in Japan.

— Jessica Kozuka, Travel + Leisure, 4 July 2026

Definition of conscientious

Browse Nearby Words

unimpaired

unimpeachable

unimpeded

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“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 13 Jul. 2026.

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Synonyms of unimpeachable

adjective

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