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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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 No doubt, dozens of them are doing extraordinary work, with genuinely heroic impact and unimpeachable integrity and efficacy. — Jeffrey Sonnenfeld, Time, 28 June 2026 Bream, in particular, finds Ross’s solo career unimpeachable. — Devon Ivie, Vulture, 14 May 2026 The Swiss houses, dominant precisely because their LBMA accreditation is unimpeachable, survive on fabrication margins, where a gold finding for a luxury jewelry house commands a premium over raw metal and a sovereign coin commands even more. — Lilian Raji, Forbes.com, 28 Apr. 2026 And his staging’s faithfulness to the film is unimpeachable. — Rob Hubbard, Twin Cities, 25 Apr. 2026 See All Example Sentences for unimpeachable

Recent Examples of Synonyms for unimpeachable

Adjective

Younger and middle-aged elites are also less inclined to put up with the careers and sacrifices the state has historically presented as honorable.

— Jieun Baek, Foreign Affairs, 30 Oct. 2026
Drawing district lines to effectively disenfranchise voters and ensure a seat in Congress for some partisan hack was a dark-of-night sort of thing that the public hated, not an honorable practice for upstanding citizens.

— J. B. MacKinnon, Harpers Magazine, 27 Oct. 2026

Definition of honorable

Adjective

Milei has also embraced data centers and a largely unfettered approach to artificial intelligence regulation, while Pope Leo's inaugural encyclical called for ethical caution and safeguards to protect human dignity in the age of AI.

— Carrie Kahn, NPR, 7 Nov. 2026
Lawyers are officers of the court, bound by ethical obligations to pursue claims in good faith and not abuse the legal process for improper purposes.

— Voice of the People, New York Daily News, 6 Nov. 2026

Definition of ethical

Adjective

Keeping a running list of questions that go beyond the scope of what the agent was built to handle functions as an honest product roadmap.

— Rob Green, Forbes.com, 6 Nov. 2026
And when side effects feel unbearable, patients deserve honest conversations about their options.

— Emily Cegielski, Flow Space, 6 Nov. 2026

Definition of honest

Adjective

More than a century later, his tale of a centuries-old Transylvanian noble and vampire keeps succeeding, most recently in audio.

— Lexy Perez, HollywoodReporter, 6 Nov. 2026
That works just fine for this season’s noble arc, but that same polish that’s arguably warranted now does little to suggest future seasons will be willing to wrestle with whatever truth may exist in Cash’s warning.

— Ben Travers, IndieWire, 4 Nov. 2026

Definition of noble

Adjective

This past season offered unassailable proof that Shohei Ohtani can no longer serve as both a full-time hitter and full-time pitcher.

— Los Angeles Times, Los Angeles Times, 21 Oct. 2026
As the movie demonstrates, Macdonald’s credentials as a comic’s comic were unassailable.

— Owen Gleiberman, Variety, 16 Oct. 2026

Definition of unassailable

Adjective

Unlike MacKay’s Ferrars, seemingly the more loyal and irreproachable type, both men end up screwing over the Dashwoods in their own ways.

— Ryan Lattanzio, IndieWire, 13 Oct. 2026
Rather than focus on a single irreproachable hero, Mendonça Filho dilates his lens to take in an expansive world.

— Michael Snyder, The Atlantic, 13 Mar. 2026

Definition of irreproachable

Adjective

One in five American adults has had an intimate encounter with AI, according to an MIT study, increasing the risk that some users believe AI is conscious and advocating for rights or moral status.

— Los Angeles Times, Los Angeles Times, 2 Nov. 2026
That working class people live with paucity of choice, and of chances, may be considered from the outside as a moral and social ill to be reckoned with, but Betty correctly sees that this is the fact of her life and behaves and thinks accordingly.

— Literary Hub, Literary Hub, 2 Nov. 2026

Definition of moral

Adjective

Once reading time kicked off during a recent meetup, the only sounds from the group were the quiet rustle of pages turning and the conscientious nibbling of snacks and sipping of tea as the cafe continued its bustle.

— Tribune News Service, Baltimore Sun, 22 Oct. 2026
Even if every senator were ethical, conscientious and committed to the public good, the incentives would remain the same.

— Nicholas Jacobs, The Conversation, 19 Oct. 2026

Definition of conscientious

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unimpaired

unimpeachable

unimpeded

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“Unimpeachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimpeachable. Accessed 10 Nov. 2026.

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Synonyms of unimpeachable

adjective

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