Meaning of fallacy

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.

See also:

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