UNSOUNDNESS Synonyms: 64 Similar and Opposite Words

unsoundness

noun

ˌən-ˈsau̇n(d)-nəs

Definition of unsoundness

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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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

Recent Examples of Synonyms for unsoundness

Noun

Fewer than 10 people typically die of the illness each year, but nearly everyone who contracts it dies, according to the CDC.

— Charlotte Observer, Charlotte Observer, 29 Aug. 2026
If a parent has an illness so contagious that the hospital can’t adequately protect other patients from it, such as tuberculosis, the parent and child would probably be put in an isolation room with special airflow to contain germs.

— Brenda Goodman, CNN Money, 28 Aug. 2026

Definition of illness

Noun

Looking up patients on Facebook or Instagram, seeing what their lives were like before sickness and death, can create emotional attachments that make a difficult job even harder.

— Michael Collins, USA Today, 27 Aug. 2026
Difficult interactions with the government intensify the sickness of sickness and the trauma of trauma.

— Literary Hub, Literary Hub, 26 Aug. 2026

Definition of sickness

Browse Nearby Words

unsound

unsoundness

unsparing

See all Nearby Words

Cite this Entry

Style

“Unsoundness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsoundness. Accessed 1 Sep. 2026.

Copy Citation

Synonyms of unsoundness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes