unimpeachable

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adjective un·im·peach·able \ ˌən-im-ˈpē-chə-bəl \

Definition of unimpeachable

:not impeachable: such as

a :reliable beyond a doubt

unimpeachable evidence

an unimpeachable source

b :not liable to accusation :irreproachable

an unimpeachable reputation

—

unimpeachably

play \ˌən-im-ˈpē-chə-blē\ adverb

See unimpeachable defined for English-language learners

See unimpeachable defined for kids

Examples of unimpeachable in a Sentence

a person of unimpeachable integrity
The information is from an unimpeachable source.

Recent Examples of unimpeachable from the Web

Many of the details of Himes’s life appear in other books, but Jackson’s research is unimpeachable.

— michael p. jeffries, New York Times, "How Chester B. Himes Became the Rage in Harlem, and Beyond," 24 Aug. 2017
Gronk, Kelce and Olsen are unimpeachable as the top three, and Reed’s only question mark is health.

— michael beller, SI.com, "2017 Fantasy Football Tight Ends: Jimmy Graham hasn't hit his ceiling with the Seahawks," 15 Aug. 2017
The Boss and the ten-dollar founding father without a father both drop knowledge with powers of speech that are unimpeachable.

— rob ledonne, Billboard, "From Thunder Road to the Great White Way: Who Should Bruce Play on Broadway?," 9 Aug. 2017
Impeach Donald Trump (@Impeach_D_Trump) August 1, 2017 Mueller's record is unimpeachable, despite efforts by Trump sycophants.

— the tylt, cleveland.com, "Do you trust special counsel Robert Mueller to be impartial?," 1 Aug. 2017
Words, Sir Peter makes clear, simply can’t be trusted, even when the source is unimpeachable.

— mike fischer, Milwaukee Journal Sentinel, "Stratford Festival plays focus on women's untold stories," 31 July 2017
Not only does Mueller have the unimpeachable credentials of a Washington fixture admired on both sides of the aisle; he was also known to be friendly with Comey.

— andrew c. mccarthy, National Review, "Trump Has Himself, Not Sessions, to Blame for the Limitless Mueller Investigation," 22 July 2017
The Mayflower society’s records are so accurate and unimpeachable that tracing your roots to them automatically qualifies you for membership.

— mark pratt, The Seattle Times, "New partnership makes it easier to prove Pilgrim ancestry," 13 July 2017
The Mayflower society’s records are so accurate and unimpeachable that tracing your roots to them automatically qualifies you for membership.

— Washington Post, "New partnership makes it easier to prove Pilgrim ancestry," 13 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unimpeachable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unimpeachable

1784

UNIMPEACHABLE Defined for English Language Learners

unimpeachable

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adjective

Definition of unimpeachable for English Language Learners

: very reliable and trusted : not able to be doubted or questioned

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