1. the part of logic that deals with syllogisms.
  2. syllogistic reasoning.

Origin of syllogistic

1660–70; < Latin syllogisticus < Greek syllogistikós, equivalent to syllogist(ós), verbid of syllogízesthai (see syllogize) + -ikos -ic
Related formssyl·lo·gis·ti·cal·ly, adverbnon·syl·lo·gis·tic, noun, adjectivenon·syl·lo·gis·ti·cal, adjectivenon·syl·lo·gis·ti·cal·ly, adverbun·syl·lo·gis·tic, adjectiveun·syl·lo·gis·ti·cal, adjectiveun·syl·lo·gis·ti·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for syllogistically

Historical Examples of syllogistically

  • In fact it involved a situation which, syllogistically, comprised more than one dilemma.

  • The first involves the giving; that is, rationally and syllogistically considered, what ye ought to do.

    Bits of Blarney

    R. Shelton Mackenzie

British Dictionary definitions for syllogistically


adjective Also: syllogistical
  1. of, relating to or consisting of syllogisms
noun (often plural)
  1. the branch of logic concerned with syllogisms
  2. reasoning by means of syllogisms
Derived Formssyllogistically, adverb
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

Word Origin and History for syllogistically



1660s, from Latin syllogisticus or directly from Greek syllogistikos, from syllogizesthai (see syllogism).

Online Etymology Dictionary, © 2010 Douglas Harper