- containing a fallacy; logically unsound: fallacious arguments.
- deceptive; misleading: fallacious testimony.
- disappointing; delusive: a fallacious peace.
Origin of fallacious
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fallaciousness
To discern its fallaciousness, requires not acuteness of understanding, so much as a little common honesty.
Fallaciousness of the view, that happiness is best gained by not being aimed at.Practical Essays
Is it necessary to spend time in exhibiting the folly and fallaciousness of this first principle?Abolitionism Exposed!
W. W. Sleigh
The fallaciousness of this note of patriotism is particularly apparent, when the clamour continues after the evil is past.The Works of Samuel Johnson, Vol. 6
I told him there were two kinds of persons, the fallaciousness of whose promises had become proverbial in the world.Amelia
- containing or involving a fallacy; illogical; erroneous
- tending to mislead
- delusive or disappointinga fallacious hope
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 fallaciousness
Online Etymology Dictionary, © 2010 Douglas Harper