Fallacies - Definitions from Dictionary.com

2 results for: Fallacies

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

fal·la·cy

Audio Help [fal-uh-see] Pronunciation Key

–noun, plural -cies.

1.	a deceptive, misleading, or false notion, belief, etc.: That the world is flat was at one time a popular fallacy.

2.	a misleading or unsound argument.

3.	deceptive, misleading, or false nature; erroneousness.

4.	Logic. any of various types of erroneous reasoning that render arguments logically unsound.

5.	Obsolete. deception.

[Origin: 1350–1400; < L fallācia a trick, deceit, equiv. to fallāc- (s. of fallāx) deceitful, fallacious + -ia -y³; r. ME fallace < MF

]

—Synonyms 1. misconception, delusion, misapprehension.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Fallacies

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American Heritage Dictionary - Cite This Source - Share This

fal·la·cy Audio Help (fāl'ə-sē) Pronunciation Key
n. pl. fal·la·cies

A false notion.
A statement or an argument based on a false or invalid inference.
Incorrectness of reasoning or belief; erroneousness.
The quality of being deceptive.

[Alteration of Middle English fallace, from Old French, from Latin fallācia, deceit, from fallāx, fallāc-, deceitful, from fallere, to deceive.]

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