as in illness
the condition of not being in good health
the overall unsoundness of her health in her last years greatly limited what she could do
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Recent Examples of unsoundness
Based on Alaïa Jade’s public reputation and the structural unsoundness of the bell tower, Smullen thinks an accidental death is likely.
—
Sophie Brookover, Vulture, 21 Nov. 2025
In looking back at the history of Emtech, the colt who suffered a catastrophic breakdown in Saturday’s eighth race, it was discovered that he was once placed on the Veterinarian’s List because of unsoundness.
—John Cherwa, Los Angeles Times, 30 Sep. 2019
In 2015, 66 trees were removed by city crews because of poor health or unsoundness.
—Debbie Arrington, sacbee.com, 5 May 2017
Thousands of people have been evacuated from their homes near the Oroville Dam, because of the threat of imminent flooding due to structural unsoundness.
—Mercury News Readers, The Mercury News, 14 Feb. 2017
Sophie Brookover, Vulture, 21 Nov. 2025
In looking back at the history of Emtech, the colt who suffered a catastrophic breakdown in Saturday’s eighth race, it was discovered that he was once placed on the Veterinarian’s List because of unsoundness.
—John Cherwa, Los Angeles Times, 30 Sep. 2019
In 2015, 66 trees were removed by city crews because of poor health or unsoundness.
—Debbie Arrington, sacbee.com, 5 May 2017
Thousands of people have been evacuated from their homes near the Oroville Dam, because of the threat of imminent flooding due to structural unsoundness.
—Mercury News Readers, The Mercury News, 14 Feb. 2017
Recent Examples of Synonyms for unsoundness
Noun
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Here's what to know about the mysterious illness.—
CBS News,
CBS News,
15 Jan. 2026
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Without antibiotic treatment, the disease can lead to serious illness, including kidney damage, liver failure, meningitis and difficulty breathing.—
Melissa Rudy,
FOXNews.com,
15 Jan. 2026
Noun
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From the moment the kids set foot back at school in the fall, until some time around spring break, parents can expect sicknesses to take over their homes faster than the latest viral slang expression.—
Melissa Willets,
Parents,
10 Jan. 2026
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The leading causes of harm to the whales are linked to human interference; entanglements in fishing gear and boat and ship collisions have resulted in significant increases in sickness, injury, and death.—
Rachel Raposas,
PEOPLE,
8 Jan. 2026
Cite this Entry
“Unsoundness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsoundness. Accessed 18 Jan. 2026.
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