Meaning & Definition of word "Fallacious"

Fallacious

/fəˈleɪʃəs/

adjective:

  • 1. Based on a mistaken belief; misleading or deceptive.
    • Example: His argument was fallacious, relying on false premises to draw his conclusion.
  • 2. Characterized by fallacy or error in reasoning.
    • Example: The fallacious logic in her statement made it difficult to take her seriously.
  • 3. Illogical, unsound.
    • Example: The fallacious nature of the claim was exposed after thorough investigation.
  • 4. Containing a fallacy; deceptive.
    • Example: She pointed out the fallacious assumptions in the research study.

Etymology

From Latin 'fallax' (deceitful), from 'fallere' (to deceive).

Common Phrases and Expressions

fallacious reasoning:

Reasoning that is based on a fallacy or error in logic.

fallacious argument:

An argument that contains a fallacy or is logically unsound.

Related Words

fallacy:

A mistaken belief, especially one based on unsound arguments.

fallibility:

The tendency to make mistakes or be wrong.

Slang Meanings of fallacious

Meaning: BS

Example Sentence: That whole presentation was just BS; it was completely fallacious.

Meaning: fake news

Example Sentence: The article was just fallacious claims and fake news.