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 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 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 See All Example Sentences for unimpeachable

Recent Examples of Synonyms for unimpeachable

Adjective

This symbolism reflected values found in many early Germanic and Anglo-Saxon societies, where generosity and the distribution of wealth were marks of honorable leadership.

— Encyclopedia Britannica, Encyclopedia Britannica, 24 July 2026
Magdalen even marries an honorable man, a sea captain named Kirke.

— Literary Hub, Literary Hub, 24 July 2026

Definition of honorable

Adjective

The article raises ethical questions about AI's role in detecting abuse or self-harm, age appropriateness, and its long-term impact on family dynamics, potentially becoming a generational mental health advisor.

— Lance Eliot, Forbes.com, 1 Aug. 2026
Organizers say the exhibition will explore the relationship between artistic achievement and ethical accountability, rather than presenting a traditional narrative of downfall and redemption.

— Robert Lang, Deadline, 31 July 2026

Definition of ethical

Adjective

Sagittarius November 22 – December 21 Home and ambition may need a more honest handoff.

— Tarot.com, Chicago Tribune, 2 Aug. 2026
Effective communication should be honest, consistent, and rooted in core values, acknowledging that many boycotts occur invisibly through personal networks, not just public channels.

— Edward Segal, Forbes.com, 1 Aug. 2026

Definition of honest

Adjective

Not play-act, but do the real work, make the hard and noble choices, not forsake his vows but live by them.

— Erik Kain, Forbes.com, 27 July 2026
Paying more attention to getting good sleep, consuming enough nutrients and setting yourself up for success in your fertility is a noble effort.

— Madeline Holcombe, CNN Money, 24 July 2026

Definition of noble

Adjective

For more than a decade, India’s leader Narendra Modi has seemed politically unassailable, presiding over a government that has outmaneuvered opponents, dominated public discourse and squeezed the space for dissent in the world’s biggest democracy.

— Rhea Mogul, CNN Money, 28 July 2026
This parcours was conceived to prevent Pogačar from seizing an unassailable lead too early in the race, with just one stage in the high Pyrenees, and the next truly difficult summit finish not reached until Le Markstein on stage 14.

— Jacob Whitehead, New York Times, 26 July 2026

Definition of unassailable

Adjective

More than two thousand years ago, Cicero wrote that the liberal arts provide the comprehensive knowledge and moral formation required to sustain a free society.

— Matthew Scogin, Forbes.com, 29 July 2026
But more specifically, Nolan’s adaptation of Homer’s poem pinpoints how pervasively violence against women is a part of civilization’s moral decay.

— Roxana Hadadi, Vulture, 29 July 2026

Definition of moral

Adjective

Perhaps in a conscientious effort to make sure guests don’t feel trapped, the tiny suite doors—just about five-foot-two high—do not automatically lock.

— Kathryn Romeyn, Travel + Leisure, 17 July 2026
Gluten-free cones are available, and conscientious staff always wash their hands and change gloves for celiacs.

— Luke Pyenson, Condé Nast Traveler, 15 July 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 3 Aug. 2026.

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Synonyms of unimpeachable

adjective

Example Sentences

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