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unsoundness

 - 5 dictionary results

un⋅sound

  [uhn-sound]
Use unsoundness in a Sentence
–adjective, -er, -est.
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; ME; see un- 1 , sound 2

Related forms:
un⋅sound⋅ly, adverb
un⋅sound⋅ness, 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. 2009.
Cite This Source Link To unsoundness
un·sound   (ŭn-sound')   
adj.   un·sound·er, un·sound·est

  1. Not dependably strong or solid.

  2. Not physically or mentally healthy.

  3. Not true or logically valid; fallacious: an unsound conclusion.

un·sound'ly adv., un·sound'ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

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, © 2001 Douglas Harper
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Legal Dictionary

Main Entry: un·sound
Pronunciation: "&n-'saund
Function: adjective
: not sound: as a : not healthy or whole b : not mentally normal : not wholly sane unsound mind> c : not firmly made, placed, or fixed d : not valid or true unsound argument> —un·sound·ly adverb —un·sound·ness noun
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

Main Entry: un·sound
Pronunciation: -'saund
Function: adjective
: not sound: as a : not healthy or whole unsoundlimb> unsound horse> b : not mentally normal : not wholly sane unsound mind> c : not fit to be eaten <unsoundfood> —un·sound·ness noun
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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