Containing fundamental errors in reasoning

• unsound

  1. Not dependably strong or solid.
  2. Not physically or mentally healthy.
  3. Not true or logically valid; fallacious:

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  1. Not dependably strong or solid.
  2. Not physically or mentally healthy.
  3. Not true or logically valid; fallacious:

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• spurious

  1. Lacking authenticity or validity in essence or origin; not genuine:
  2. Not trustworthy; dubious or fallacious:
  3. Born to unwed parents.

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  1. Lacking authenticity or validity in essence or origin; not genuine:
  2. Not trustworthy; dubious or fallacious:
  3. Born to unwed parents.

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• specious

  1. Having the ring of truth or plausibility but actually fallacious:
  2. Deceptively appealing:

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  1. Having the ring of truth or plausibility but actually fallacious:
  2. Deceptively appealing:

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• sophistic

  1. Of, relating to, or characteristic of sophists.
  2. Apparently sound but really fallacious; specious:

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  1. Of, relating to, or characteristic of sophists.
  2. Apparently sound but really fallacious; specious:

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• invalid

  1. One who is incapacitated by a chronic illness or disability.
  2. Incapacitated by illness or injury.
  3. Of, relating to, or intended for invalids.

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  1. One who is incapacitated by a chronic illness or disability.
  2. Incapacitated by illness or injury.
  3. Of, relating to, or intended for invalids.

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• illogical

  1. Contradicting or disregarding the principles of logic.
  2. Without logic; senseless.

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  1. Contradicting or disregarding the principles of logic.
  2. Without logic; senseless.

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• false

  1. Contrary to fact or truth:
  2. Deliberately untrue:
  3. Arising from mistaken ideas:

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  1. Contrary to fact or truth:
  2. Deliberately untrue:
  3. Arising from mistaken ideas:

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Containing an error or errors

• wrong

  1. Not in conformity with fact or truth; incorrect or erroneous:
  2. Contrary to conscience, morality, or law:
  3. Unfair; unjust:

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  1. Not in conformity with fact or truth; incorrect or erroneous:
  2. Contrary to conscience, morality, or law:
  3. Unfair; unjust:

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• untrue

  1. Contrary to fact; false.
  2. Deviating from a standard; not straight, even, level, or exact.
  3. Disloyal; unfaithful.

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  1. Contrary to fact; false.
  2. Deviating from a standard; not straight, even, level, or exact.
  3. Disloyal; unfaithful.

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• unsound

  1. Not dependably strong or solid.
  2. Not physically or mentally healthy.
  3. Not true or logically valid; fallacious:

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  1. Not dependably strong or solid.
  2. Not physically or mentally healthy.
  3. Not true or logically valid; fallacious:

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• off

  1. From a place or position:
  2. At a certain distance in space or time:
  3. From a given course or route; aside:

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  1. From a place or position:
  2. At a certain distance in space or time:
  3. From a given course or route; aside:

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• mistaken

  1. Wrong or incorrect in opinion, understanding, or perception.
  2. Based on error; wrong:

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  1. Wrong or incorrect in opinion, understanding, or perception.
  2. Based on error; wrong:

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• incorrect

  1. Not correct; erroneous or wrong:
  2. Defective; faulty:
  3. Improper; inappropriate:

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  1. Not correct; erroneous or wrong:
  2. Defective; faulty:
  3. Improper; inappropriate:

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• inaccurate

  1. Mistaken or incorrect; not accurate.

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  1. Mistaken or incorrect; not accurate.

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• false

  1. Contrary to fact or truth:
  2. Deliberately untrue:
  3. Arising from mistaken ideas:

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  1. Contrary to fact or truth:
  2. Deliberately untrue:
  3. Arising from mistaken ideas:

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• erroneous

  1. Containing or derived from error; mistaken:

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  1. Containing or derived from error; mistaken:

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Tending to lead one into error

• misleading

  1. Tending to mislead; deceptive.

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  1. Tending to mislead; deceptive.

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• illusory

  1. Produced by, based on, or having the nature of an illusion; deceptive:

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  1. Produced by, based on, or having the nature of an illusion; deceptive:

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• illusive

  1. Illusory.

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  1. Illusory.

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• delusory

  1. Tending to deceive; delusive.

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  1. Tending to deceive; delusive.

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• delusive

  1. Tending to delude.
  2. Having the nature of a delusion; false:

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  1. Tending to delude.
  2. Having the nature of a delusion; false:

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• deceptive

  1. Deceiving or tending to deceive:

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  1. Deceiving or tending to deceive:

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