Synonyms for

Fallacy

Verb / ˈfælʌsi: / Another word for fallacy — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

a mistaken belief, especially one based on unsound argument

Synonyms & similar words

falsebelief misconception error delusion myth fiction deception illusion misbelief untruth falsehood lie mistake flaw fault weakness defect blemish imperfection inaccuracy inconsistency

Synonyms by register

Formal

error mistake misconception erroneous belief

Informal

blunder howler goof mistake

Literary

delusion illusion sophism

Antonyms

truth fact certainty reality verity accuracy soundness

Common collocations

  • logical fallacy
  • common fallacy
  • avoid a fallacy
  • commit a fallacy
  • recognize a fallacy
  • fallacy of composition
  • fallacy of relevance

Word family

noun fallacy
adjective fallacious

Usage note

A fallacy is a mistaken belief or a false or misleading argument. It is often used in formal contexts like logic and debate.

Example sentences

  1. The fallacy that vaccines cause autism has been debunked by numerous studies.
  2. The politician's argument was full of fallacies.
  3. The belief that all snakes are dangerous is a fallacy.
  4. The idea that money can buy happiness is a fallacy.
  5. The fallacy that all sharks are man-eaters is perpetuated by movies.

Quotes

  • A fallacy is not a harmless thing; it is a dangerous thing.
  • The fallacy is one of the greatest intellectual sins that a person can commit.
  • The fallacy of misplaced concreteness is the source of many philosophical problems.

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