[ sil-uh-jis-tik ]
/ ˌsɪl əˈdʒɪs tɪk /

adjective Also syl·lo·gis·ti·cal.

of or relating to a syllogism.
like or consisting of syllogisms.


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

Origin of syllogistic

1660–70; < Latin syllogisticus < Greek syllogistikós, equivalent to syllogist(ós), verbid of syllogízesthai (see syllogize) + -ikos -ic
Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for syllogistically

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

    Bits of Blarney|R. Shelton Mackenzie
  • In fact it involved a situation which, syllogistically, comprised more than one dilemma.

British Dictionary definitions for syllogistically


/ (ˌsɪləˈdʒɪstɪk) /

adjective Also: syllogistical

of, relating to or consisting of syllogisms

noun (often plural)

the branch of logic concerned with syllogisms
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