F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fal-uh-see]
    • /ˈfæl ə si/
    • /ˈfæl.ə.si/
    • US Pronunciation
    • US IPA
    • [fal-uh-see]
    • /ˈfæl ə si/

Definitions of fallacy word

  • noun plural fallacy a deceptive, misleading, or false notion, belief, etc.: That the world is flat was at one time a popular fallacy. 1
  • noun plural fallacy a misleading or unsound argument. 1
  • noun plural fallacy deceptive, misleading, or false nature; erroneousness. 1
  • noun plural fallacy Logic. any of various types of erroneous reasoning that render arguments logically unsound. 1
  • noun plural fallacy Obsolete. deception. 1
  • noun fallacy A mistaken belief, especially one based on unsound argument. 1

Information block about the term

Origin of fallacy

First appearance:

before 1350
One of the 20% oldest English words
1350-1400; < Latin fallācia a trick, deceit, equivalent to fallāc- (stem of fallāx) deceitful, fallacious + -ia -y3; replacing Middle English fallace < Middle French

Historical Comparancy

Parts of speech for Fallacy


fallacy popularity

A common word. It’s meaning is known to most children of preschool age. About 80% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

fallacy usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for fallacy

noun fallacy

  • falsehood — a false statement; lie. Synonyms: fabrication, prevarication, falsification, canard, invention, fiction, story.
  • deception — Deception is the act of deceiving someone or the state of being deceived by someone.
  • misinterpretation — An instance of misinterpreting.
  • untruth — the state or character of being untrue.
  • heresy — opinion or doctrine at variance with the orthodox or accepted doctrine, especially of a church or religious system.

Antonyms for fallacy

noun fallacy

  • reality — the state or quality of being real.
  • fairness — the state, condition, or quality of being fair, or free from bias or injustice; evenhandedness: I have to admit, in all fairness, that she would only be paid for part of the work.
  • frankness — plainness of speech; candor; openness.
  • honesty — the quality or fact of being honest; uprightness and fairness.
  • truthfulness — telling the truth, especially habitually: a truthful person.

Top questions with fallacy

  • what is a fallacy?
  • what is a logical fallacy?
  • what is fallacy?
  • what does fallacy mean?
  • what is a fallacy in an argument essay?
  • what is logical fallacy?
  • what is the definition of fallacy?
  • which of the following is a fallacy of syllogism?
  • the following sentence contains an example of which logical fallacy?
  • what is the fallacy of composition?
  • what is straw man fallacy?
  • what is a red herring fallacy?
  • what is red herring fallacy?
  • what is pathetic fallacy?
  • what is the straw man fallacy?

See also

Matching words

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