fallacy
fallacy definition
fal·lacy (fal′ə sē)
noun pl. fallacies -·cies
- Obsolete deception
- aptness to mislead; deceptive or delusive quality the fallacy of the senses
- a false or mistaken idea, opinion, etc.; error
- an error in reasoning; flaw or defect in argument
- Logic an argument which does not conform to the rules of logic, esp. one that appears to be sound
Etymology: ME fallace < OFr < L fallacia, deception, artifice < fallax (gen. fallacis), deceitful < fallere, to deceive: see fail
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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