unsound

adjective
un·​sound | \ ˌən-ˈsau̇nd How to pronounce unsound (audio) \

Definition of unsound

: not sound: such as
a : not healthy or whole an unsound horse
b : not mentally normal : not wholly sane of unsound mind
c : not firmly made, placed, or fixed structurally unsound
d : not valid or true : invalid, specious unsound beliefs

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Other Words from unsound

unsoundly \ ˌən-​ˈsau̇n(d)-​lē How to pronounce unsound (audio) \ adverb

Synonyms & Antonyms for unsound

Synonyms

Antonyms

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Examples of unsound in a Sentence

The roof is structurally unsound. disgruntled relatives tried to prove that the woman was of unsound mind when she made her will
Recent Examples on the Web The covered bridge caught fire Monday and was left structurally unsound. BostonGlobe.com, 21 July 2021 By 2011, the grandstands were condemned after being deemed structurally unsound. Susannah Bryan, sun-sentinel.com, 16 July 2021 This falls on the shoulders of everyone who made the decision to not only close Joint Base Bagram, but also pull out of Afghanistan in the most tactically unsound way anyone could imagine. Jason Hoffman, The Enquirer, 27 Aug. 2021 When a reporter asked Biden specifically about the Republican governors of Florida and Texas, the President went further, alleging some of their decisions — like prohibiting schools from requiring masks or banning vaccine mandates — were unsound. Dominic Rech, CNN, 5 Aug. 2021 Will banking regulators then argue that lending to such companies constitutes an unsafe or unsound practice? Norbert Michel, Forbes, 24 June 2021 At the center of the dispute is the contention of dissident members that the church, led by Pastor James Welch, is making a host of unpopular and financially unsound moves. Rafael Olmeda, sun-sentinel.com, 22 July 2021 The brewery, housed in a larger structure in an office park on Lemont Road, became so structurally unsound that Slayton and her partners couldn’t access much of it Monday morning. Josh Noel, chicagotribune.com, 22 June 2021 Texas, for its part, argued that O’Connor’s ruling should be upheld in its entirety, asking the justices to strike down one of the most consequential pieces of legislation passed by Congress this century based on an unsound technicality. Matt Ford, The New Republic, 17 June 2021

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

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First Known Use of unsound

14th century, in the meaning defined above

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Time Traveler for unsound

Time Traveler

The first known use of unsound was in the 14th century

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Dictionary Entries Near unsound

unsoul

unsound

unsoundable

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Statistics for unsound

Last Updated

7 Oct 2021

Cite this Entry

“Unsound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsound. Accessed 27 Oct. 2021.

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More Definitions for unsound

unsound

adjective

English Language Learners Definition of unsound

: not based on truth or logic : not showing good judgment
: poorly built or in bad condition

unsound

adjective
un·​sound | \ ˌən-ˈsau̇nd How to pronounce unsound (audio) \

Kids Definition of unsound

1 : not based on good reasoning or truth an unsound argument unsound advice
2 : not firmly made or placed an unsound building
3 : not healthy or in good condition unsound teeth
4 : being or having a mind that is not normal

unsound

adjective
un·​sound | \ -ˈsau̇nd How to pronounce unsound (audio) \

Medical Definition of unsound

: not sound: as
a : not healthy or whole an unsound limb an unsound horse
b : not mentally normal : not wholly sane of unsound mind
c : not fit to be eaten unsound food

Other Words from unsound

unsoundness noun

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unsound

adjective
un·​sound | \ ˌən-ˈsau̇nd How to pronounce unsound (audio) \

Legal Definition of unsound

: not sound: as
a : not healthy or whole
b : not mentally normal : not wholly sane of unsound mind
c : not firmly made, placed, or fixed
d : not valid or true an unsound argument

Other Words from unsound

unsoundly adverb
unsoundness noun

More from Merriam-Webster on unsound

Nglish: Translation of unsound for Spanish Speakers

Britannica English: Translation of unsound for Arabic Speakers

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