fallacious

[fuh-ley-shuh s]

See more synonyms for fallacious on Thesaurus.com

adjective

containing a fallacy; logically unsound: fallacious arguments.
deceptive; misleading: fallacious testimony.
disappointing; delusive: a fallacious peace.

Origin of fallacious

First recorded in 1500–10, fallacious is from the Latin word fallāciōsus deceitful, deceptive. See fallacy, -ous

Related formsfal·la·cious·ly, adverbfal·la·cious·ness, nounnon·fal·la·cious, adjectivenon·fal·la·cious·ly, adverbnon·fal·la·cious·ness, nounun·fal·la·cious, adjectiveun·fal·la·cious·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fallacious

Contemporary Examples

But such disparagement was itself a kneejerk reaction, and it was fallacious.
The Cult of Royal Porn
Tim Teeman
April 26, 2014

Historical Examples

Still, through this fallacious medium, a real enlargement of ideas is attained.
The Republic
Plato
Only what must be avoided are fallacious inferences, my dear Lena—especially at this hour.
Victory
Joseph Conrad
Political reconciliations are but outward and hollow, and fallacious.
Apologia Pro Vita Sua
John Henry Cardinal Newman
There has never been a religion too gross, too fallacious, to fail of followers.
The Tyranny of the Dark
Hamlin Garland
No compromise for him, no evasions, no fallacious, unsecured promises to pay.
Dream Days
Kenneth Grahame

British Dictionary definitions for fallacious

fallacious

adjective

containing or involving a fallacy; illogical; erroneous
tending to mislead
delusive or disappointinga fallacious hope

Derived Formsfallaciously, adverbfallaciousness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fallacious

adj.

c.1500, from fallacy (Latin fallacia) + -ous. Related: Fallaciously; fallaciousness.

fallacious

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}fallacious

Related Words

Examples from the Web for fallacious

Contemporary Examples

But such disparagement was itself a kneejerk reaction, and it was fallacious.

Historical Examples

Still, through this fallacious medium, a real enlargement of ideas is attained.

Only what must be avoided are fallacious inferences, my dear Lena—especially at this hour.

Political reconciliations are but outward and hollow, and fallacious.

There has never been a religion too gross, too fallacious, to fail of followers.

No compromise for him, no evasions, no fallacious, unsecured promises to pay.

fallacious

Word Origin and History for fallacious

adj.

Origin of fallacious