fallacy

fal·la·cy

Use fallacy in a sentence

noun

The definition of a fallacy is a deceptive or false notion.

An example of fallacy is the idea that the sun spins around the earth.

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"fallacy." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/fallacy>.

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fallacy. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/fallacy

fallacy

noun

pl. -·cies

Obs. deception
aptness to mislead; deceptive or delusive quality: the fallacy of the senses
a false or mistaken idea, opinion, etc.; error
1. an error in reasoning; flaw or defect in argument
2. Logic an argument which does not conform to the rules of logic, esp. one that appears to be sound

Origin of fallacy

Middle English fallace from Old French from Classical Latin fallacia, deception, artifice from fallax (gen. fallacis), deceitful from fallere, to deceive: see fail

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MLA Style

"fallacy." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/fallacy>.

APA Style

fallacy. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/fallacy

fallacy

noun

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.

Origin of fallacy

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

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Link to this page

Cite this page

MLA Style

"fallacy." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/fallacy>.

APA Style

fallacy. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/fallacy

Noun

(plural fallacies)

Deceptive or false appearance; deceitfulness; that which misleads the eye or the mind; deception.
(logic) An argument, or apparent argument, which professes to be decisive of the matter at issue, while in reality it is not. A specious argument.

Origin

From Middle English, from Old French fallace, from Latin fallacia (“deception, deceit”), from fallax (“deceptive, deceitful”), from fallere (“to deceive”).

English Wiktionary. Available under CC-BY-SA license.