illogic /ɪˈlɑd͡ʒɪk/noun 1adjective 1forms 1 noun1 •Lack of logic; unreasonableness; a fallacy.And right often have I, the modern, been perturbed and vexed by the foolishness, illogic, obtuseness, and general all-round stupendous stupidity of myself, the primitive. — 1907 adjective1 •Synonym of illogical.I think this is a very illogic way of reasoning. — 1896 formsillogics
