noun, plural fal·la·cies.
Origin of fallacy
Examples from the Web for fallacy
In fact, what this map really showed was the fallacy of aggregates – and how statistics can mask real cultural shifts.
Every time the thermometer drops, another anti-science politician mocks climate change as a fallacy.From Snowy Atlanta to Sunny Sochi, It's All About Global Weirding|Scott Bixby|February 12, 2014|DAILY BEAST
To prove the fallacy of said cargo cult, Olson goes into the numbers.The GOP's Socially Conservative Minority Voter Cargo Cult|Justin Green|December 15, 2012|DAILY BEAST
The many who believe that human knowledge begins in the academy are guilty of the fallacy of “lecturing birds on how to fly.”A Manifesto for Disorder: Nassim Nicholas Taleb’s ‘Antifragile’ Reviewed|Robert Herritt|November 26, 2012|DAILY BEAST
Which brings me to the real point here: the entire premise of Mr. Rubin's moral question is built upon a fallacy.
An example of this fallacy is the popular error that strong drink must be a cause of strength.A System of Logic: Ratiocinative and Inductive|John Stuart Mill
The fallacy of such a contention seems too evident to call for argument.Principles of Teaching|Adam S. Bennion
From her we had inherited the fallacy that man was made for the world, not the world for man.All Roads Lead to Calvary|Jerome K. Jerome
The common sense of the world always rejects this gross fallacy.Diderot and the Encyclopaedists (Vol 1 of 2)|John Morley
The "ethicist's fallacy" is the source of all absolutism in theory, and all intolerance in practice.The Philosophy of Spinoza|Baruch de Spinoza
British Dictionary definitions for fallacy
noun plural -cies
Word Origin for fallacy
Word Origin and History for fallacy
late 15c., "deception, false statement," from Latin fallacia "deception," noun of quality from fallax (genitive fallacis) "deceptive," from fallere "deceive" (see fail (v.)). Specific sense in logic dates from 1550s. An earlier form was fallace (c.1300), from Old French fallace.
Culture definitions for fallacy
A false or mistaken idea based on faulty knowledge or reasoning. For example, kings who have divorced their wives for failing to produce a son have held to the fallacy that a mother determines the sex of a child, when actually the father does. (See sex chromosomes.)