Fallacy
Fallacy noun - A false idea or belief.
Usage example: the once-common fallacy that girls just weren't any good at math
Falsehood is a synonym for fallacy in error topic. In some cases you can use "Falsehood" instead a noun "Fallacy", when it comes to topics like correct, misconception, illusion. popular alternative
Falsehood
Falsehood noun - A false idea or belief.
Usage example: the possibility of a perpetual motion machine is one falsehood that has been disproved by modern physics
Fallacy is a synonym for falsehood in lie topic. You can use "Fallacy" instead a noun "Falsehood", if it concerns topics such as correct, misconception. popular alternative
Mutual synonyms
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Cite this Source
Falsehood and Fallacy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fallacy/falsehood
Fallacy & Falsehood. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fallacy/falsehood>.
Falsehood or Fallacy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fallacy/falsehood.
Google Ngram Viewer shows how "fallacy" and "falsehood" have occurred on timeline