unimpeachable

adjective

un·​im·​peach·​able ˌən-im-ˈpē-chə-bəl How to pronounce unimpeachable (audio)
Synonyms of unimpeachablenext
: not impeachable: such as
a
: reliable beyond a doubt
unimpeachable evidence
an unimpeachable source
b
: not liable to accusation : irreproachable
an unimpeachable reputation
unimpeachably
ˌən-im-ˈpē-chə-blē How to pronounce unimpeachable (audio)
adverb

Examples of unimpeachable in a Sentence

a person of unimpeachable integrity The information is from an unimpeachable source.
Recent Examples on the Web
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.
Related Stories Still, just because the source material is unimpeachable doesn’t automatically make all these adaptations good, or even memorable. — Courtney Howard, Variety, 8 May 2025 Starting with the 10-week No. 1 Dangerous: The Double Album in 2021 and continuing with 19-week chart-topper One Thing at a Time in 2023, Wallen has a pretty unimpeachable commercial track record. — Katie Atkinson, Billboard, 13 May 2025 Their presence adds a level of unimpeachable authority to its excellence. — Marcus K. Dowling, The Tennessean, 11 Nov. 2024 And at every turn of her career, her success was predicated on a simple, unimpeachable desire to dominate her opponent. — Julia Poe, Chicago Tribune, 31 Mar. 2025 See All Example Sentences for unimpeachable

Word History

First Known Use

1784, in the meaning defined above

Time Traveler
The first known use of unimpeachable was in 1784

Rhymes for unimpeachable

See All Rhymes for unimpeachable

Browse Nearby Words

unimpeachability
unimpeachable
unimpeached
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Cite this Entry

“Unimpeachable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unimpeachable. Accessed 14 Jun. 2025.

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Kids Definition

unimpeachable

adjective
un·​im·​peach·​able ˌən-im-ˈpē-chə-bəl How to pronounce unimpeachable (audio)
: not impeachable : not to be doubted or questioned : irreproachable
an unimpeachable reputation
news from an unimpeachable source
unimpeachably
-blē How to pronounce unimpeachable (audio)
adverb

More from Merriam-Webster on unimpeachable

Thesaurus: All synonyms and antonyms for unimpeachable

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