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Unsound synonyms

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Having no factual basis.
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  1. Having no factual basis.
  2. Not supported by facts or sound reasons
Containing or based on error; mistaken; wrong
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  1. Containing or based on error; mistaken; wrong
  2. Containing or derived from error; mistaken:
Lacking harmony or agreement; incompatible
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  1. Lacking harmony or agreement; incompatible
  2. Not in keeping with what is correct, proper, or logical; inappropriate:
  3. Lacking in harmony; incompatible:
  1. Not reliable.
  2. Marked by or exhibiting a lack of reliability.
Not backed, supported, etc., esp. financially
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  1. Not backed, supported, etc., esp. financially
  2. Never having been ridden, as a horse.
  3. Not broken to the saddle
Lacking authority or the power to govern:
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  1. Lacking authority or the power to govern:
  2. Lacking aptitude or skill:
  3. Lacking persuasiveness; unconvincing:
Weakened, worn out, impaired, or broken down by old age, illness, or hard use.
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  1. Weakened, worn out, impaired, or broken down by old age, illness, or hard use.
Requiring careful or tactful treatment:
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  1. Requiring careful or tactful treatment:
  2. Easily broken or damaged:
  3. Marked by sensitivity of discrimination:
Easily broken; frail
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  1. Easily broken; frail
  2. Having little intensity or strength; faint:
  3. Weak; not strong
Light, thin, and insubstantial:
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  1. Light, thin, and insubstantial:
  2. Thin and easily broken or damaged; poorly made and fragile; frail
  3. Likely to bend or break under pressure; weak, shaky, flexible, or fragile.
Lacking substance; tenuous or flimsy:
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  1. Lacking substance; tenuous or flimsy:
  2. Lacking physical or emotional strength; delicate:
  3. Physically weak; frail; delicate
Easily led astray; morally weak.
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  1. Easily led astray; morally weak.
  2. Easily broken, shattered, damaged, or destroyed; fragile; delicate
  3. Slender and delicate; not robust; weak
Weak in body or mind, especially from old age or disease.
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  1. Weak in body or mind, especially from old age or disease.
  2. Not strong or stable; shaky:
  3. Not stable, firm, or sound; frail; shaky, as a structure
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  1. Lacking substance; not real or strong.
  2. Not firm or solid; weak or flimsy:
  3. Not solid or firm; weak or flimsy
(Chiefly Southern US) Sickly; ill.
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  1. (Chiefly Southern US) Sickly; ill.
  2. Of inferior size, strength, or significance; weak:
(Archaic) Alternative form of insubstantial.
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  1. (Archaic) Alternative form of insubstantial.
  2. Lacking material substance; insubstantial.
  3. Not solid or heavy; flimsy; light
Lacking vitality; feeble; infirm
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  1. Lacking vitality; feeble; infirm
  2. Lacking aptitude or skill:
  3. Lacking persuasiveness; unconvincing:
(Archaic) Having or caused by a mental disorder
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  1. (Archaic) Having or caused by a mental disorder
Intensely involved or preoccupied:
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  1. Intensely involved or preoccupied:
  2. Out of control.
  3. In love; experiencing romantic feelings.
Foolish; stupid.
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  1. Foolish; stupid.
  2. Insane; crazy
  3. Crazy; deranged.
  1. Insane or mentally ill.
  2. Mentally deranged; insane; mad
  3. (Informal) Crazy or foolish.
Physically or mentally ill.
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  1. Physically or mentally ill.
  2. Put out of order; jumbled
  3. Chaotic; without clear order; in a state of disorder.
Driven mad; crazed
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  1. Driven mad; crazed
  2. Extremely troubled; mentally confused; distracted; harassed
  3. Deeply hurt, saddened, or worried; distressed.
Amusingly eccentric or unconventional.
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  1. Amusingly eccentric or unconventional.
  2. Mentally unbalanced; crazy.
  3. (Informal) Feebleminded or crazy
Intended for use by such persons:
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  1. Intended for use by such persons:
  2. Not sane; mentally ill or deranged; demented; mad
  3. Characteristic of or associated with persons who are mentally deranged:
Of or for people who are mentally deranged.
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  1. Of or for people who are mentally deranged.
  2. Of or for insane persons
  3. Suffering from lunacy; insane
Angry; resentful:
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  1. Angry; resentful:
  2. Angry or provoked
  3. (Slang) Excellent; wonderful:
Of, having, or showing mania; maniacal
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  1. Of, having, or showing mania; maniacal
Wildly irresponsible:
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  1. Wildly irresponsible:
  2. Of, having, or showing mania; wildly insane; raving
  3. Like a maniac; insane; frenzied.
Having a mental illness.
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  1. Having a mental illness.
  2. Having a psychological disorder.
Dazed or distracted with romantic sentiment.
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  1. Dazed or distracted with romantic sentiment.
  2. Affected mentally in some way, supposedly by the influence of the moon
  3. Mentally deranged; crazy.
Started on the way; going:
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  1. Started on the way; going:
  2. Somewhat crazy; eccentric:
  3. Not correct; in error; wrong
Slightly mentally deficient; touched in the head.
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  1. Slightly mentally deficient; touched in the head.
  2. Emotionally moved (by), made to feel emotion (by).
  3. Emotionally affected; moved:
Not treating all sides with due importance:
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  1. Not treating all sides with due importance:
  2. Not in balance or in proper balance.
  3. Showing or marked by erratic or volatile emotions or behavior.
Not in conformity with fact or truth; incorrect or erroneous:
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  1. Not in conformity with fact or truth; incorrect or erroneous:
  2. Not fitting or suitable; inappropriate or improper:
  3. Contrary to conscience, morality, or law:
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  1. (Informal) irrational, crazy
  2. (Slang) Crazy, enraged, etc.
  3. Crazy:
Having a harsh or dissonant tone:
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  1. Having a harsh or dissonant tone:
  2. Broken or fractured, usually without complete separation of parts; having a crack or cracks
  3. (Informal) Mentally deranged; crazy.
Frolicsome in a giddy way
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  1. Frolicsome in a giddy way
  2. A little crazy
  3. Crazy; foolish; silly
Carried away as by love or enthusiasm
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  1. Carried away as by love or enthusiasm
  2. Mentally confused; crazy
  3. Silly; crazy.
(Of a person) insane
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  1. (Of a person) insane
  2. Mentally deranged; crazy.
  3. Crazy; demented
Out of one's mind; crazy:
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  1. Out of one's mind; crazy:
  2. Wildly enthusiastic, excited, etc.
  3. Crazy or eccentric
Mentally deranged; crazy.
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  1. Mentally deranged; crazy.
  2. (Slang) Crazy or eccentric
(Computers) Having many software bugs:
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  1. (Computers) Having many software bugs:
  2. (Slang) Mentally ill; insane
  3. (Slang) Crazy.
Lacking in sense; foolish or crazy.
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  1. Lacking in sense; foolish or crazy.
  2. (Slang) Crazy; foolish; silly
Rich or mellow in tone, esp. excessively so
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  1. Rich or mellow in tone, esp. excessively so
  2. Like fruit in taste or smell
  3. (Slang) Eccentric or crazy
(Western US) intoxicated by eating locoweed
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  1. (Western US) intoxicated by eating locoweed
  2. Mentally deranged; crazy.
  3. (Slang) Crazy; demented
Extremely enthusiastic:
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  1. Extremely enthusiastic:
  2. Crazy; foolish
(Slang) Enthusiastic, often to excess
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  1. (Slang) Enthusiastic, often to excess
  2. Having a flavor like that of nuts:
  3. Odd, foolish, crazy, etc.
Ludicrously odd, unlikely, or inappropriate.
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  1. Ludicrously odd, unlikely, or inappropriate.
  2. Mentally unbalanced; crazy
  3. Eccentric or crazy.
(Slang) Erratic, eccentric, or irrational; zany
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  1. (Slang) Erratic, eccentric, or irrational; zany
  2. Eccentric or irrational:
  3. Crazy; silly:
(Chiefly Brit., Slang) Crazy; insane
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  1. (Chiefly Brit., Slang) Crazy; insane
Mentally incompetent. Mentally incompetent.
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  1. Mentally incompetent. Mentally incompetent.
  2. Not of sound mind and hence not legally competent.
Tending to mislead; deceptive:
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  1. Tending to mislead; deceptive:
  2. Deceptive or misleading.
  3. Characterized by fallacy; false or mistaken.
Deliberately untrue:
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  1. Deliberately untrue:
  2. Not genuine or real:
  3. Intentionally deceptive:
Without logic; senseless.
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  1. Without logic; senseless.
  2. Contrary to logic; lacking sense or sound reasoning.
  3. Not logical or reasonable; using, based on, or caused by faulty reasoning
  1. Not valid; not true, correct, acceptable or appropriate.
  2. Not well; weak and sickly; infirm
  3. Legally ineffective; unfounded. Legally ineffective; unfounded.
  1. Sophistical.
  2. Of, relating to, or characteristic of sophists.
  3. Apparently sound but really fallacious; specious:
Deceptively appealing:
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  1. Deceptively appealing:
  2. Having the ring of truth or plausibility but actually fallacious:
  3. Seeming to be good, sound, correct, logical, etc. without really being so; plausible but not genuine
Lacking authenticity or validity in essence or origin; not genuine:
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  1. Lacking authenticity or validity in essence or origin; not genuine:
  2. Not trustworthy; dubious or fallacious:
  3. Not true or genuine; false; counterfeit
Containing or derived from error; mistaken:
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  1. Containing or derived from error; mistaken:
  2. Containing or based on error; mistaken; wrong
Containing a fallacy; erroneous
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  1. Containing a fallacy; erroneous
  2. Deceptive or misleading.
  3. Characterized by fallacy; false or mistaken.
Not genuine or real:
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  1. Not genuine or real:
  2. Based on wrong or mistaken ideas
  3. Contrary to fact or truth:
  1. Mistaken or incorrect; not accurate.
  2. Not accurate; not correct; not exact; in error
Not correct
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  1. Not correct
  2. Not correct; erroneous or wrong:
  3. Untrue; inaccurate; wrong; faulty
(With a copula verb, often with about) Having an incorrect belief.
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  1. (With a copula verb, often with about) Having an incorrect belief.
  2. Wrong or incorrect in opinion, understanding, or perception.
  3. Wrong; having an incorrect understanding, perception, etc.
Started on the way; going:
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  1. Started on the way; going:
  2. Somewhat crazy; eccentric:
  3. Not correct; in error; wrong
Deviating from a standard; not straight, even, level, or exact.
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  1. Deviating from a standard; not straight, even, level, or exact.
  2. Contrary to fact or truth; false or incorrect
  3. False; not true.
Not functioning properly; amiss:
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  1. Not functioning properly; amiss:
  2. Not in conformity with fact or truth; incorrect or erroneous:
  3. Contrary to conscience, morality, or law:
Showing or resulting from a lack of sound advice or careful consideration; unwise
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  1. Showing or resulting from a lack of sound advice or careful consideration; unwise
  2. Carried out without the benefit of wise counsel or careful deliberation, or carried out with unwise counsel
Unwise; foolish:
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  1. Unwise; foolish:
  2. Not properly considered; not suitable or wise
Not in accordance with good policy; unwise, inexpedient; unadvisable.
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  1. Not in accordance with good policy; unwise, inexpedient; unadvisable.
  2. Not wise or expedient; not politic:
  3. Not politic; unwise; injudicious; inexpedient
Not prudent; without thought of the consequences; lacking in judgment or caution; rash; indiscreet
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  1. Not prudent; without thought of the consequences; lacking in judgment or caution; rash; indiscreet
  2. Unwise or indiscreet; not prudent.
Not discreet; lacking prudence, as in speech or action
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  1. Not discreet; lacking prudence, as in speech or action
  2. Not discreet; wanting in discretion.
  3. Lacking discretion; injudicious:
Showing poor judgement; not well judged.
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  1. Showing poor judgement; not well judged.
  2. Showing poor judgment; not discreet or wise
Having or showing a lack of wisdom or sound judgment; foolish; imprudent
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  1. Having or showing a lack of wisdom or sound judgment; foolish; imprudent
  2. Lacking or exhibiting a lack of wisdom; foolish or imprudent:
Find another word for unsound. In this page you can discover 100 synonyms, antonyms, idiomatic expressions, and related words for unsound, like: ill-founded, erroneous, incongruous, unreliable, unbacked, weak, false, illogical, unstable, decrepit and delicate.