1
as in sick
temporarily suffering from a disorder of the body
an unsound horse that will have to be disqualified from the race
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in unreasonable
not using or following good reasoning
it is clearly unsound to argue that just because a scientific explanation for that phenomenon does not currently exist, no such explanation is possible
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Antonyms & Near Antonyms
3
as in insane
unable to think in a clear or sensible way
disgruntled relatives tried to prove that the woman was of unsound mind when she made her will
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4
as in erroneous
not being in agreement with what is true
an unsound and pernicious stereotype
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unsound
But don’t get too attached to any of these morally unsound characters, since all are mere bait for this killer.
—
Randy Myers, Mercury News, 20 June 2025
The approach that the Great Barrington Declaration laid out was, at the time, widely denounced by public-health experts, including the World Health Organization and then–NIH director Francis Collins, as dangerous and scientifically unsound.
—Katherine J. Wu, The Atlantic, 9 June 2025
And now, the scientifically unsound political campaign against water fluoridation is another example of an anti-pediatric fringe initiative to dismantle a public health success.
—Scott A. Rivkees, Time, 6 May 2025
At the heart of this problem lies the influence of vocal anti-vaccine rhetoric that is not only scientifically unsound but also profoundly irresponsible.
—Amar Duggirala, Baltimore Sun, 23 Apr. 2025
See All Example Sentences for unsound
Randy Myers, Mercury News, 20 June 2025
The approach that the Great Barrington Declaration laid out was, at the time, widely denounced by public-health experts, including the World Health Organization and then–NIH director Francis Collins, as dangerous and scientifically unsound.
—Katherine J. Wu, The Atlantic, 9 June 2025
And now, the scientifically unsound political campaign against water fluoridation is another example of an anti-pediatric fringe initiative to dismantle a public health success.
—Scott A. Rivkees, Time, 6 May 2025
At the heart of this problem lies the influence of vocal anti-vaccine rhetoric that is not only scientifically unsound but also profoundly irresponsible.
—Amar Duggirala, Baltimore Sun, 23 Apr. 2025
See All Example Sentences for unsound
Recent Examples of Synonyms for unsound
Adjective
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Some doctors might not even immediately recognize symptoms in a sick patient because vaccines have made many contagious diseases rare in this country, said Marty, the FIU expert.—
Michelle Marchante,
Miami Herald,
4 Sep. 2025
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However, some can, and those with risk factors can certainly become very sick.—
Katia Hetter,
CNN Money,
4 Sep. 2025
Adjective
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We're protected from unreasonable searches and seizures.—
Adeola Adeosun,
MSNBC Newsweek,
9 Sep. 2025
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This is a crude and unreasonable attempt to make the discussion into an all-or-nothing affair.—
Lance Eliot,
Forbes.com,
7 Sep. 2025
Adjective
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Stines’ defense attorneys, Jeremy and Kerri Bartley, say the sheriff was insane at the time of the killing and want his full mental health report – which is currently sealed – released to the public.—
Andy Rose,
CNN Money,
6 Sep. 2025
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Making straight men insane comes with the territory on one of TV’s most-talked about shows of the last five years (House of the Dragon continues to rack up toward 10 million viewers per ep).—
Lily Ford,
HollywoodReporter,
5 Sep. 2025
Adjective
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Lauber ruled that discounted cash flow valuation of land is erroneous as a matter of law.—
Peter J Reilly,
Forbes.com,
29 Aug. 2025
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One subject of a Raffi Khatchadourian piece complained that multiple details about his life were made up and demanded to know what idiot had given Khatchadourian the erroneous details.—
Zach Helfand,
New Yorker,
25 Aug. 2025
Adjective
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This involves having a poorly or non-functioning colon and is not usually reversible.—
Dr. John De Jong,
Boston Herald,
17 Aug. 2025
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The researchers and their partners are also working to track local residents’ health and to measure how well or poorly interventions like masks and household air filters protected them.—
Maggie Astor,
New York Times,
28 Mar. 2025
Adjective
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Maura’s performance makes Maria Angeles so magnetic and eccentric — earthily practical on some matters, dizzily irrational on others, and sympathetically true to herself on all fronts — that all the film’s other players want for detail and texture by comparison.—
Guy Lodge,
Variety,
4 Sep. 2025
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The roll call of people across the decades who have had access to nuclear weapons includes many who are considerably less rational than the irrational rest of us.—
Rivka Galchen,
New Yorker,
2 Sep. 2025
Adjective
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Brown's attorneys had said Brown could at times appear psychotic.—
Kevin Grasha,
Cincinnati Enquirer,
5 Sep. 2025
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Psychologists and psychiatrists are scrambling to better understand how use of chatbots can fuel delusions and drive psychotic episodes.—
Amy Feldman,
Forbes.com,
3 Sep. 2025
Adjective
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That is a silly and inaccurate oversimplification.—
Laura Washington,
Chicago Tribune,
3 Sep. 2025
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Excess heat can harm the oven's thermostat and heating elements, leading to inaccurate temperature readings and possible permanent damage, along with a fire risk.—
Katie Rosenhouse,
Southern Living,
31 Aug. 2025
Cite this Entry
“Unsound.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsound. Accessed 11 Sep. 2025.
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