nonlogical Syllabification: (non·log·i·cal)Pronunciation: /nänˈläjikəl/Definition of nonlogical adjective not derived from or according to the rules of logic or formal argument (less forceful in meaning than illogical). Derivatives nonlogicallyPronunciation: /-ik(ə)lē/ adverb nonlogical in other Oxford dictionaries Definition of nonlogical in the British & World English dictionary