It will come as no surprise that fallacious is related to the noun fallacy, meaning “delusion” or “falsehood.” Both words come from the Latin word fallacia, which in turn comes from fallere, meaning …

FALLACIOUS definition: containing a fallacy; logically unsound. See examples of fallacious used in a sentence.

To unquestioningly adhere to traditional policies when there is good reason for change can be regarded as a fallacious appeal to authority.

1. Containing or based on a fallacy: a fallacious assumption. 2. Tending to mislead; deceptive: fallacious testimony.

If an idea, argument, or reason is fallacious, it is wrong because it is based on a fallacy.

4 days ago · Adjective fallacious (comparative more fallacious, superlative most fallacious) Characterized by fallacy; false or mistaken. Synonyms: erroneous, incorrect, wrong; see also …

Definition of fallacious adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

fallacious, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

fallacious meaning, definition, what is fallacious: containing or based on false ideas: Learn more.

Britannica Dictionary definition of FALLACIOUS [more fallacious; most fallacious] formal : containing a mistake : not true or accurate a fallacious [= false] set of assumptions fallacious [= misleading] …