unimpeachable
adjective
un·im·peach·able
ˌən-im-ˈpē-chə-bəl 
: not impeachable: such as
a
: reliable beyond a doubt
unimpeachable evidence
an unimpeachable source
b
: not liable to accusation : irreproachable
an unimpeachable reputation
Examples of unimpeachable in a Sentence
a person of unimpeachable integrity
The information is from an unimpeachable source.
Recent Examples on the Web
Her character, the increasingly panicked Nostromo navigator Joan Lambert, can’t claim the same renown that Weaver’s heroic Ellen Ripley inspired, but Lambert maintains an unimpeachable place in the genre canon nonetheless.
—
Matthew Jacobs, Vulture, 26 Aug. 2025
The succor of small-time hubris is what good bake-offs are about—bakers driven only by that elegant, unimpeachable motive, to be the best.
—Ruby Tandoh, New Yorker, 25 Aug. 2025
The unexpected punch the kimchi delivers takes a standard, unimpeachable egg sandwich and elevates it to another dimension.
—Stacey Lastoe, Southern Living, 22 Aug. 2025
Narvaez has no shot at starting — Seattle star Cal Raleigh’s case is unimpeachable — but the Red Sox rookie stacks up well against the AL’s other top contenders for the reserve spot.
—Mac Cerullo, Boston Herald, 5 June 2025
See All Example Sentences for unimpeachable
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Matthew Jacobs, Vulture, 26 Aug. 2025
The succor of small-time hubris is what good bake-offs are about—bakers driven only by that elegant, unimpeachable motive, to be the best.
—Ruby Tandoh, New Yorker, 25 Aug. 2025
The unexpected punch the kimchi delivers takes a standard, unimpeachable egg sandwich and elevates it to another dimension.
—Stacey Lastoe, Southern Living, 22 Aug. 2025
Narvaez has no shot at starting — Seattle star Cal Raleigh’s case is unimpeachable — but the Red Sox rookie stacks up well against the AL’s other top contenders for the reserve spot.
—Mac Cerullo, Boston Herald, 5 June 2025
See All Example Sentences for unimpeachable
Cite this Entry
“Unimpeachable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unimpeachable. Accessed 10 Sep. 2025.
Copy CitationKids Definition
unimpeachable
adjective
un·im·peach·able
ˌən-im-ˈpē-chə-bəl
: not impeachable : not to be doubted or questioned : irreproachable
an unimpeachable reputation
news from an unimpeachable source
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