• synonyms


[puh-ral-uh-jiz-uh m]
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noun Logic.
  1. argument violating principles of valid reasoning.
  2. a conclusion reached through such argument.
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Origin of paralogism

1555–65; < Late Latin paralogismus < Greek paralogismós. See para-1, logo-, -ism
Related formspa·ral·o·gist, nounpa·ral·o·gis·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

trickery, casuistry, ambiguity, inconsistency, fallacy, paralogism

Examples from the Web for paralogism

Historical Examples

British Dictionary definitions for paralogism


  1. logic psychol an argument that is unintentionally invalidCompare sophism
  2. any invalid argument or conclusion
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Derived Formsparalogist, nounparalogistic, adjective

Word Origin

C16: via Late Latin from Greek paralogismos, from paralogizesthai to argue fallaciously, from para- 1 + -logizesthai, ultimately from logos word
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012