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fallacy: Meaning and Definition of
fal•la•cy
Pronunciation: (fal'u-sē), [key] — pl. -cies.
- a deceptive, misleading, or false notion, belief, etc.: That the world is flat was at one time a popular fallacy.
- a misleading or unsound argument.
- deceptive, misleading, or false nature; erroneousness.
- any of various types of erroneous reasoning that render arguments logically unsound.
- deception.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.