F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fuh-ley-shuh s]
    • /fəˈleɪ ʃəs/
    • /fəˈleɪ.ʃəs/
    • US Pronunciation
    • US IPA
    • [fuh-ley-shuh s]
    • /fəˈleɪ ʃəs/

Definitions of fallacious word

  • adjective fallacious containing a fallacy; logically unsound: fallacious arguments. 1
  • adjective fallacious deceptive; misleading: fallacious testimony. 1
  • adjective fallacious disappointing; delusive: a fallacious peace. 1
  • noun fallacious Based on a mistaken belief. 1
  • adjective fallacious not based on logic 1
  • adjective fallacious deceitful 1

Information block about the term

Origin of fallacious

First appearance:

before 1500
One of the 26% oldest English words
First recorded in 1500-10, fallacious is from the Latin word fallāciōsus deceitful, deceptive. See fallacy, -ous

Historical Comparancy

Parts of speech for Fallacious


fallacious popularity

A common word. It’s meaning is known to most children of preschool age. About 78% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

fallacious usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for fallacious

adj fallacious

  • deceptive — If something is deceptive, it encourages you to believe something which is not true.
  • delusive — tending to delude; misleading
  • fictitious — created, taken, or assumed for the sake of concealment; not genuine; false: fictitious names.
  • fishy — like a fish in shape, smell, taste, or the like.
  • fraudulent — characterized by, involving, or proceeding from fraud, as actions, enterprise, methods, or gains: a fraudulent scheme to evade taxes.

adjective fallacious

  • erroneous — Wrong; incorrect.
  • false — not true or correct; erroneous: a false statement.
  • wrong — not in accordance with what is morally right or good: a wrong deed.
  • deceiving — Present participle of deceive.
  • deluding — Present participle of delude.

Antonyms for fallacious

adj fallacious

  • real — true; not merely ostensible, nominal, or apparent: the real reason for an act.
  • truthful — telling the truth, especially habitually: a truthful person.
  • correct — If something is correct, it is in accordance with the facts and has no mistakes.
  • true — being in accordance with the actual state or conditions; conforming to reality or fact; not false: a true story.

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See also

Matching words

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