unsound

un·sound

U0117000 (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.

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un·sound′ly adv.un·sound′ness n.

unsound

(ʌnˈsaʊnd) adj1. diseased, weak, or unstable: of unsound mind. 2. unreliable or fallacious: unsound advice. 3. lacking solidity, strength, or firmness: unsound foundations. 4. (Commerce) of doubtful financial or commercial viability: an unsound enterprise. 5. (Banking & Finance) of doubtful financial or commercial viability: an unsound enterprise. 6. (of fruit, timber, etc) not in an edible or usable condition unˈsoundly adv unˈsoundness n

un•sound

(ʌnˈsaʊnd)

adj. , -er, -est. 1. not sound; unhealthy or diseased, 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 or secure: an unsound investment. [1275–1325] un•sound′ly, adv. un•sound′ness, n.

Thesaurus

Adj.	1.	unsound - not in good condition; damaged or decayed; "an unsound foundation"sound - in good condition; free from defect or damage or decay; "a sound timber"; "the wall is sound"; "a sound foundation"
	2.	unsound - not sound financially; "unsound banking practices"broken - physically and forcibly separated into pieces or cracked or split; "a broken mirror"; "a broken tooth"; "a broken leg"; "his neck is broken"damaged - harmed or injured or spoiled; "I won't buy damaged goods"; "the storm left a wake of badly damaged buildings"unfit - not in good physical or mental condition; out of condition; "fat and very unfit"; "certified as unfit for army service"; "drunk and unfit for service"unhealthy - not in or exhibiting good health in body or mind; "unhealthy ulcers"injured - harmed; "injured soldiers"; "injured feelings"unwholesome - detrimental to physical or moral well-being; "unwholesome food"; "unwholesome habits like smoking"sound - financially secure and safe; "sound investments"; "a sound economy"
	3.	unsound - containing or based on a fallacy; "fallacious reasoning"; "an unsound argument"fallaciousinvalid - having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
	4.	unsound - suffering from severe mental illness; "of unsound mind"mentally ill, unstableinsane - afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter"
	5.	unsound - physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"unfit, badunhealthy - not in or exhibiting good health in body or mind; "unhealthy ulcers"
	6.	unsound - of e.g. adviceundependable, unreliable - not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

unsound

adjective1. flawed, faulty, weak, false, shaky, unreliable, invalid, defective, illogical, erroneous, specious, fallacious, ill-founded The thinking is muddled and fundamentally unsound.2. unstable, shaky, insecure, unsafe, unreliable, flimsy, wobbly, tottering, rickety, unsteady, not solid The church was structurally unsound.
unstable strong, sound, safe, solid, stable, steady, reliable, sturdy3. unhealthy, unstable, unbalanced, diseased, ill, weak, delicate, ailing, frail, defective, unwell, deranged, unhinged He was rejected as an army conscript as being of unsound mind.

unsound

adjective1. Not physically strong:decrepit, delicate, feeble, flimsy, fragile, frail, infirm, insubstantial, puny, unsubstantial, weak, weakly.2. Afflicted with or exhibiting irrationality and mental unsoundness:brainsick, crazy, daft, demented, disordered, distraught, dotty, insane, lunatic, mad, maniac, maniacal, mentally ill, moonstruck, off, touched, unbalanced, wrong.Informal: bonkers, cracked, daffy, gaga, loony.Slang: bananas, batty, buggy, cuckoo, fruity, loco, nuts, nutty, screwy, wacky.Chiefly British: crackers.Law: non compos mentis.Idioms: around the bend, crazy as a loon, mad as a hatter, not all there, nutty as a fruitcake, off one's head, off one's rocker, of unsound mind, out of one's mind, sick in the head, stark raving mad.3. Containing fundamental errors in reasoning:fallacious, false, illogical, invalid, sophistic, specious, spurious.4. Containing an error or errors:erroneous, fallacious, false, inaccurate, incorrect, mistaken, off, untrue, wrong.Idioms: all wet, in error, off base, off the mark.5. Not wise:ill-advised, ill-considered, impolitic, imprudent, indiscreet, injudicious, unwise.

Translations

véreuxfallaceinsano