UNIMPEACHABLE Synonyms: 91 Similar and Opposite Words

unimpeachable

adjective

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

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Recent Examples of unimpeachable Hoeness, the honorary president who played for Bayern from 1970 to 1979, rarely has an unspoken thought, especially about the standard of the team or the quality of coaching, meaning that plenty of scrutiny comes from inside the club, from seemingly unimpeachable figures. —

The Athletic Staff, New York Times, 15 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 Coogler’s run as a filmmaker has been unimpeachable, with both critics and audiences embracing everything from his indie debut Fruitvale Station to his subsequent franchise efforts in Creed and Black Panther. —

David Canfield, HollywoodReporter, 22 Jan. 2026 The film wields this voice—used with the permission of Hind’s surviving family—as unimpeachable, unignorable evidence. —

Justin Chang, New Yorker, 14 Jan. 2026 See All Example Sentences for unimpeachable

Recent Examples of Synonyms for unimpeachable

Adjective

After receiving an honorable discharge in 1972, Nolte returned to Raytown to begin a career as an electrician.

— Judy L. Thomas, Kansas City Star, 10 Apr. 2026
Why did the Pentagon, for no plausible reason other than animus, expel trans service members after years of honorable service?

— Adam Serwer, The Atlantic, 8 Apr. 2026