unsound
not sound; unhealthy, diseased, or disordered, as the body or mind.
decayed or impaired, as timber or foods; defective.
not solid or firm, as foundations.
not well-founded or valid; fallacious: an unsound argument.
easily broken; light: unsound slumber.
not financially strong; unreliable: an unsound corporation.
Origin of unsound
1Other words for unsound
Other words from unsound
- un·sound·ly, adverb
- un·sound·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use unsound in a sentence
Mental soundness is merged in unsoundness by degrees of decadence which are so small as to be practically inappreciable.
Scientific American Supplement No. 299 | VariousWe must remember, first, that disease is not necessarily evidence of unsoundness.
Household Administration | VariousBut the rage of travelling is a symptom of a deeper unsoundness affecting the whole intellectual action.
Essays, First Series | Ralph Waldo EmersonDenominationally, there is much unsoundness in Scotland; territorially, there is very little.
Leading Articles on Various Subjects | Hugh MillerIf only a dull thud meets the ear, the listener may be certain that unsoundness exists.
Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 | Barkham Burroughs
British Dictionary definitions for unsound
/ (ʌnˈsaʊnd) /
diseased, weak, or unstable: of unsound mind
unreliable or fallacious: unsound advice
lacking solidity, strength, or firmness: unsound foundations
of doubtful financial or commercial viability: an unsound enterprise
(of fruit, timber, etc) not in an edible or usable condition
Derived forms of unsound
- unsoundly, adverb
- unsoundness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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