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
Relevance
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
Synonyms & Similar Words
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
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in erroneous
not being in agreement with what is true
an unsound and pernicious stereotype
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unsound
This not only makes the shade problem worse, Chamberlain says, but makes the tree more structurally unsound and vulnerable to damage in harsh weather conditions.
—
Peg Aloi, The Spruce, 30 Mar. 2026
Named the David Geffen Galleries in recognition of the billionaire’s $150 million donation toward the $720 million effort, the concrete building replaces four others that were deemed structurally unsound.
—Julie Belcove, Robb Report, 15 Mar. 2026
After Hegseth’s announcement, Anthropic said in a statement that the designation would be legally unsound and set a dangerous precedent for companies that negotiate with the government.
—Jack Queen, USA Today, 9 Mar. 2026
Firefighters went to the pier, which was closed in late 2024 after it was deemed structurally unsound, and found a section smoldering underneath.
—David Hernandez, San Francisco Chronicle, 1 Mar. 2026
See All Example Sentences for unsound
Peg Aloi, The Spruce, 30 Mar. 2026
Named the David Geffen Galleries in recognition of the billionaire’s $150 million donation toward the $720 million effort, the concrete building replaces four others that were deemed structurally unsound.
—Julie Belcove, Robb Report, 15 Mar. 2026
After Hegseth’s announcement, Anthropic said in a statement that the designation would be legally unsound and set a dangerous precedent for companies that negotiate with the government.
—Jack Queen, USA Today, 9 Mar. 2026
Firefighters went to the pier, which was closed in late 2024 after it was deemed structurally unsound, and found a section smoldering underneath.
—David Hernandez, San Francisco Chronicle, 1 Mar. 2026
See All Example Sentences for unsound
Recent Examples of Synonyms for unsound
Adjective
-
The virus was first detected by health officials in Johannesburg, South Africa on May 2 after a British man became sick and was taken into intensive care, 21 days after another passenger had died.—
Natalie Neysa Alund,
USA Today,
12 May 2026
-
This spread is usually limited to people who have close contact with a sick person.—
Alex Nitzberg,
FOXNews.com,
11 May 2026
Adjective
-
Another avenue for the administration is to invoke a section of the Trade Act of 1974 that allows tariffs against countries for unreasonable or discriminatory trade practices.—
Judith Kohler,
Denver Post,
7 May 2026
-
And to be fair to Rivers, many people wondered aloud if Green was being unreasonable, incorrect, delusional or all of the above.—
Zach Harper,
New York Times,
7 May 2026
Adjective
-
Each progressive Trolls movie has gotten more and more insane.—
Marah Eakin,
Vulture,
7 May 2026
-
To have air traffic controllers or the Transportation Security Administration to go without pay is insane and prejudicial to public safety.—
Lucas Robinson,
San Diego Union-Tribune,
7 May 2026
Adjective
-
Some free-speech experts at the time felt Disney had a chance to win that case, which revolved around erroneous statements made by ABC News anchor George Stephanopoulos.—
Meg James,
Los Angeles Times,
11 May 2026
-
Spoofing relies on transmitting false signals that mimic authentic satellite signals to trick signal receivers into calculating erroneous positions for aircraft and other users.—
Andrew Cunningham,
ArsTechnica,
11 May 2026
Adjective
-
This fragmented model creates friction and quietly drains profitability through unbilled hours, margin erosion from poorly staffed projects and elevated turnover when top talent hits operational roadblocks.—
DJ Paoni,
Forbes.com,
10 Sep. 2025
-
For however poorly things are going — and the bad tone set by the starters has leaked into some defensive lapses and some pressing at the plate — the Padres got themselves into a really favorable position before this.—
Kevin Acee,
San Diego Union-Tribune,
4 Sep. 2025
Adjective
-
His deep dive into the genre left him with some pet peeves, not least the irrational or simply implausible behavior of many horror-movie protagonists.—
Alex Barasch,
New Yorker,
11 May 2026
-
Evans and his backers were rational actors inside an irrational system.—
Big Think,
Big Think,
1 May 2026
Adjective
-
Thank god because the Special pitch was, said with love to my younger self, psychotic.—
Ryan O'Connell,
HollywoodReporter,
4 May 2026
-
Leaving people with serious, untreated psychotic illnesses to publicly deteriorate isn’t compassion in the slightest.—
Kaitlyn Schallhorn,
Oc Register,
4 May 2026
Adjective
-
As a name, PCOS had several limitations, including providing an inaccurate description of the condition, which does not manifest through cysts on the ovaries.—
Annalisa Merelli,
STAT,
12 May 2026
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Released Parties are also not responsible for any incorrect or inaccurate information, whether caused by site users, tampering, hacking, or by any equipment or programming associated with or utilized in the Sweepstakes.—
AJC.com,
AJC.com,
10 May 2026
Cite this Entry
“Unsound.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsound. Accessed 15 May. 2026.
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