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 unsoundly (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 Her dad has already accused her of being mentally unsound and there's the fear of potentially being locked up. Tamara Fuentes, Seventeen, ""Outer Banks" Star Madelyn Cline Says Trouble Will Be Coming for Sarah and John B in Season 2," 6 May 2020 Notably, Warren claims that the program could be paid for in its entirety without raising taxes on the middle class—a bold rejoinder to Joe Biden, Pete Buttigieg and other critics who have called Medicare for All politically and fiscally unsound. Osita Nwanevu, The New Republic, "Against Debt Hysteria," 7 Nov. 2019 Drawing any conclusions at this point is premature and scientifically unsound. Fox News, "China suspends trials of experimental coronavirus drug remdesivir: 'Epidemic has been controlled well'," 19 Apr. 2020 Drawing any conclusions at this point is premature and scientifically unsound. Alice Park, Time, "More Encouraging Signs for Remdesivir as COVID-19 Treatment," 17 Apr. 2020 According to manicurists, this is scientifically unsound. Jenna Rosenstein, Allure, "Ultimate Gel Manicure Guide: Risks, Benefits, & How Long They Really Last," 21 Mar. 2020 In 2012, poor city leadership, unsound financial decisions, soaring unemployment rates and a crippling housing crisis created by the 2008 Great Recession resulted in the city declaring bankruptcy. USA TODAY, "California city gives residents $500 a month. Is this the future of progressive politics?," 1 Mar. 2020 All the while, SoftBank and other investors have valued these start-ups at inflated levels, leading to an overheated system filled with unsound businesses. New York Times, "The SoftBank Effect: How $100 Billion Left Workers in a Hole," 12 Nov. 2019 The National Credit Union Administration eventually closed it, citing unsafe and unsound practices. Brian M. Rosenthal, New York Times, "A $750,000 Taxi Medallion, a Driver’s Suicide and a Brother’s Guilt," 23 Dec. 2019

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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Statistics for unsound

Last Updated

21 May 2020

Cite this Entry

“Unsound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsound. Accessed 5 Jun. 2020.

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More Definitions for unsound

unsound

adjective
How to pronounce unsound (audio)

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

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More from Merriam-Webster on unsound

Thesaurus: All synonyms and antonyms for unsound

Rhyming Dictionary: Words that rhyme with unsound

Spanish Central: Translation of unsound

Nglish: Translation of unsound for Spanish Speakers

Britannica English: Translation of unsound for Arabic Speakers

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