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unsound

[uhn-sound] /ʌnˈsaʊnd/
adjective, unsounder, unsoundest.
1.
not sound; unhealthy, diseased, or disordered, as the body or mind.
2.
decayed or impaired, as timber or foods; defective.
3.
not solid or firm, as foundations.
4.
not well-founded or valid; fallacious:
an unsound argument.
5.
easily broken; light:
unsound slumber.
6.
not financially strong; unreliable:
an unsound corporation.
Origin
1275-1325
1275-1325; Middle English; see un-1, sound2
Related forms
unsoundly, adverb
unsoundness, noun
Synonyms
1. infirm, sick, ill, unhealthy. 2. rotten, unwholesome. 4. false, erroneous, faulty.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for unsound
  • unsound fishing and farming practices are straining the seas' resources.
  • By all reckoning, the bumblebee is aerodynamically unsound and shouldn't be able to fly.
  • Risk management became a euphemism for continued justification of unsound practices.
  • It is a judgment, a judgment thrice removed, and probably an unsound one.
  • If they find the company unsound they can pull out any time they want.
  • But it is to suggest that the difference between sound versus unsound policy is not a simple matter of more versus less science.
  • Speculators were buying up even gutted shells, even tenements so unsound they would require a fortune to fix.
  • Skim-coating can rescue a wall with numerous hairline cracks but cannot help a wall if the plaster is loose or unsound.
  • The concept of unsafe and unsound banking practices is one which touches upon the entire operation of a bank.
  • Such covenants will be criticized as an unsafe and unsound banking practice.
British Dictionary definitions for unsound

unsound

/ʌnˈsaʊnd/
adjective
1.
diseased, weak, or unstable of unsound mind
2.
unreliable or fallacious unsound advice
3.
lacking solidity, strength, or firmness unsound foundations
4.
of doubtful financial or commercial viability an unsound enterprise
5.
(of fruit, timber, etc) not in an edible or usable condition
Derived Forms
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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Word Origin and History for unsound
unsound
c.1320, of persons, "diseased, wounded," from un- (1) "not" + sound (adj.). Cf. M.L.G. unsund, M.Du. ongesont, Ger. ungesund. Meaning "morally corrupt" is recorded from c.1300; that of "not mentally healthy" is from 1547. Sense of "not based on reasoning or fact" is attested from 1595.
Online Etymology Dictionary, © 2010 Douglas Harper
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