unsound
Americanadjective
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not sound; unhealthy, diseased, or disordered, as the body or mind.
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decayed or impaired, as timber or foods; defective.
- Synonyms:
- unwholesome, rotten
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not solid or firm, as foundations.
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not well-founded or valid; fallacious.
an unsound argument.
-
easily broken; light.
unsound slumber.
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not financially strong; unreliable.
an unsound corporation.
adjective
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diseased, weak, or unstable
of unsound mind
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unreliable or fallacious
unsound advice
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lacking solidity, strength, or firmness
unsound foundations
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of doubtful financial or commercial viability
an unsound enterprise
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(of fruit, timber, etc) not in an edible or usable condition
Other Word Forms
- unsoundly adverb
- unsoundness noun
Etymology
Origin of unsound
Middle English word dating back to 1275–1325; un- 1, sound 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
There were fears parts of the Grade II listed Big Mill in Leek could collapse after the building was assessed on Saturday as being structurally unsound.
From BBC
In a court filing, Suno said that claim is “legally unsound.”
Germany is uniquely neurotic about debt and about unsound money.
From BBC
She’s right about that, but this manual included some unsound science.
The best way to use this information, he thought, was to buy what appeared to be the sounder mortgage bonds and simultaneously sell the unsound ones.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
