Adjacent Words

Unsound definitions

	Tweet

Webster's 1828 Dictionary

UNSOUND', a.
1. Not sound; defective; as unsound timber.
2. Infirm; sickly; as unsound in health; an unsound constitution.
3. Not orthodox; defective; as unsound in faith; unsound doctrine.
4. Not sound in character; not honest; not faithful; not to be trusted; defective; deceitful.
5. Not true; not solid; not real; not substantial; as unsound pleasures; unsound delights.
6. Not close; not compact; as unsound cheese.
7. Not sincere; not faithful; as unsound love.
8. Not solid; not material.
9. Erroneous; wrong; deceitful; sophistical; as unsound arguments.
10. Not strong; as unsound ice.
11. Not fast; not calm; as unsound sleep.
12. Not well established; defective; questionable; as unsound credit.

WordNet (r) 3.0 (2005)

adj
1: not in good condition; damaged or decayed; "an unsound foundation" [ant: sound]
2: not sound financially; "unsound banking practices" [ant: sound]
3: containing or based on a fallacy; "fallacious reasoning"; "an unsound argument" [syn: fallacious, unsound]
4: suffering from severe mental illness; "of unsound mind" [syn: mentally ill, unsound, unstable]
5: physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth" [syn: bad, unfit, unsound]
6: of e.g. advice

Merriam Webster's

adjective Date: 14th century not sound: as a. not healthy or whole <an unsound horse> b. not mentally normal ; not wholly sane <of unsound mind> c. not firmly made, placed, or fixed <structurally unsound> d. not valid or true ; invalid, specious <unsound beliefs> • unsoundly adverb

Oxford Reference Dictionary

adj. 1 unhealthy, diseased. 2 rotten, weak. 3 a ill-founded, fallacious. b unorthodox, heretical. 4 unreliable. 5 wicked. Phrases and idioms: of unsound mind insane. Derivatives: unsoundly adv. unsoundness n.

Webster's 1913 Dictionary

Unsound Un*sound", a. Not sound; not whole; not solid; defective; infirm; diseased. -- Un*sound"ly, adv. -- Un*sound"ness, n.

Collin's Cobuild Dictionary

1. If a conclusion or method is unsound, it is based on ideas that are wrong. The thinking is good-hearted, but muddled and fundamentally unsound... The national tests were educationally unsound. ? sound ADJ: usu v-link ADJ 2. If something or someone is unsound, they are unreliable. No sensible person would put his money in a bank he knew to be unsound. = unreliable ADJ 3. If you say that something is unsound in some way, you mean that it is damaging in that way or to the thing mentioned. The project is environmentally unsound... A diet extremely low in calories can also be a diet that is nutritionally unsound. ? sound ADJ: usu v-link ADJ, usu adv ADJ 4. If a building or other structure is unsound, it is in poor condition and is likely to collapse. The church was structurally unsound. ADJ: usu v-link ADJ

Soule's Dictionary of English Synonyms

a. 1. Defective, imperfect, impaired, decayed, rotten. 2. Diseased, sickly, weakly, poorly, infirm, unhealthy, morbid, feeble. 3. Erroneous, wrong, false, fallacious, incorrect, deceitful, sophistical, illogical, defective, untenable, invalid, unsubstantial, faulty, hollow. 4. Deceitful, dishonest, untrustworthy. 5. Insincere, false, unfaithful, untrue. 6. Questionable, defective. 7. Disturbed, light. 8. Thin, weak. 9. Insubstantial, unreal. 10. Heterodox, heretical, unorthodox, defective.

Moby Thesaurus

Albigensian, Arian, Catharist, Donatist, Ebionitist, Erastian, Gnostic, Jansenist, Jansenistic, Jovinianist, Jovinianistic, Lollard, Manichaean, Monophysite, Monophysitic, Montanist, Montanistic, Pelagian, Sabellian, Waldensian, Wyclifite, abnormal, adulterated, afflicted, ailing, antinomian, apocryphal, batty, bereft of reason, blemished, brainsick, broken-down, cachectic, chancy, crackbrained, cracked, crazed, crazy, crumbling, daft, damaged, dangerous, debilitated, decayed, decrepit, defective, deficient, delicate, deluded, demented, deprived of reason, deranged, desultory, dilapidated, diseased, disintegrating, disoriented, distraught, doubtful, drained, dubious, emanationist, enervated, erroneous, exhausted, failing, fallacious, fallible, faulty, feeble, flawed, flighty, flimsy, found wanting, fragile, frail, groundless, hairy, hallucinated, hazardous, healthless, heretical, heterodox, hylotheist, hylotheistic, ill, ill-advised, ill-considered, ill-contrived, ill-devised, ill-gauged, ill-judged, illogical, immature, impaired, imperfect, impolitic, imprecise, imprudent, impure, in poor health, inaccurate, inadequate, inadvisable, incomplete, inconclusive, inconsiderate, incorrect, indebted, indiscreet, inexact, inexpedient, infirm, injudicious, injured, insane, insecure, insensate, insolvent, insubstantial, invalid, irrational, jeopardous, lacking, languishing, loco, lunatic, mad, maddened, makeshift, manic, mazed, mediocre, mental, mentally deficient, meshuggah, mindless, misadvised, misguided, mixed, moon-struck, morbid, moribund, myopic, non compos, non compos mentis, nonorthodox, not all there, not perfect, not right, odd, of unsound mind, off, pale, pantheist, pantheistic, partial, patchy, pathological, peaked, peaky, perilous, poor, poorish, precarious, provisional, psycho, psychotic, queer, ramshackle, reasonless, reckless, reduced, reduced in health, rickety, risky, rocky, rotten, rotten at, run-down, senseless, shaky, shifting, shifty, short, shortsighted, sick, sickly, sketchy, slippery, specious, stark-mad, stark-staring mad, strange, temporary, tentative, tetched, thoughtless, ticklish, tottering, tottery, touched, treacherous, unaccepted, unadvised, unapproved, unauthentic, unauthoritative, unbalanced, uncanonical, uncertain, unconsidered, undependable, undeveloped, undiscerning, uneven, unfaithworthy, unfinished, unfirm, unforeseeing, unfounded, unhealthy, unhinged, unorthodox, unperfected, unpredictable, unproved, unreasonable, unreflecting, unreflective, unreliable, unrigorous, unsafe, unsane, unscriptural, unseeing, unsensible, unsettled, unsolid, unstable, unsteadfast, unsteady, unsturdy, unsubstantial, unsure, unsustained, untenable, unthinking, unthorough, unthoughtful, untrue, untrustworthy, unwell, unwholesome, unwise, valetudinarian, valetudinary, wandering, weak, weakened, weakly, wicked, with low resistance, witless, wobbly, wounded, wrong